https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-intro/v/fraction-basics 2021-06-24T19:33:08Z Intro to fractions Sal divides wholes into equal-sized pieces to create unit fractions. Sal Khan video https://cdn.kastatic.org/googleusercontent/TvleI82IGBoq7MFNWC8SVvem5B-kfLX_cuEheefJzzLGPCRi8U2xM7bF28-t6DGXAhqds9XfTb31t8iUN2V7a_fw Intro to fractions Sal divides wholes into equal-sized pieces to create unit fractions. https://cdn.kastatic.org/ka-youtube-converted/jgWqSjgMAtw.mp4/jgWqSjgMAtw.mp4 255 Fractions https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-what-fractions-mean/v/more-than-one-equal-section 2024-09-11T18:44:35.002332308Z Recognizing fractions Sal uses fractions to name parts of a whole. Sal Khan video https://cdn.kastatic.org/googleusercontent/mU7PfFWbxUPqgH2I9BfLg7IzYI2sPPVvSukVMxM-L2JgB0COwxNwiJik8LRD-rQGpOTV3Y0SVYJ3cKvL2FlM8Ngo Recognizing fractions Sal uses fractions to name parts of a whole. https://cdn.kastatic.org/ka-youtube-converted/U44my48zgFE.mp4/U44my48zgFE.mp4 228 Fractions https://www.khanacademy.org/math/arithmetic-home/arith-review-fractions/fractions-meaning/v/recognizing-fractions-exercise 2020-11-11T08:17:39Z Worked example: Recognizing fractions Sal Khan video https://cdn.kastatic.org/googleusercontent/IPmuhgbCcHnBfeL7MT8NEa5C143i8x4LHVV-uGWyil1td51MHZAF7XHVrWZ1Nc4sSRM61hx6VaQzM5GUia7ymEMX Worked example: Recognizing fractions https://cdn.kastatic.org/ka-youtube-converted/dXHqO955HxE.mp4/dXHqO955HxE.mp4 117 Fractions https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-what-fractions-mean/e/recognizing_fractions_0.5 2025-02-25T11:20:34.857789849Z Recognize fractions Identify the fraction of a whole that is shaded.  Fractions are less than 1. Lya Laberge exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-what-fractions-mean/v/numerator-and-denominator-of-a-fraction 2023-06-01T14:45:55.494628927Z Identifying numerators and denominators We'll explore a video about identifying numerators and denominators in fractions. Together, we'll learn that the numerator is the top number, and the denominator is the bottom number. We'll also use pie charts to visually represent fractions and connect this concept to real-life situations for our students. Sal Khan video https://cdn.kastatic.org/googleusercontent/e5PiApHeT8Q0K_BNH807DNQ_acNec7NqiWx72V2GHsb8QF4x30lvs2_oCBpdoaJh76u_4wxfdi5doQWyRqTpmhpAUQ Identifying numerators and denominators We'll explore a video about identifying numerators and denominators in fractions. Together, we'll learn that the numerator is the top number, and the denominator is the bottom number. We'll also use pie charts to visually represent fractions and connect this concept to real-life situations for our students. https://cdn.kastatic.org/ka-youtube-converted/3XOt1fjWKi8.mp4/3XOt1fjWKi8.mp4 151 Fractions https://www.khanacademy.org/math/arithmetic/fraction-arithmetic/x18ca194a:what-fractions-mean/e/recognizing_fractions 2024-10-16T12:02:42.245733592Z Understand numerators and denominators   Marcia Lee exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-intro/v/identifying-unit-fractions-word-problem-math-3rd-grade-khan-academy 2021-07-07T20:19:25Z Identifying unit fractions word problem Lindsay solves a word problem by using a unit fraction. Lindsay Spears video https://cdn.kastatic.org/googleusercontent/lP-DiLl_TQ02E9tS-N8-NSA0RftazXnB5RCD08S09oOvHsto41E_HnbxZWBeqyh21F5wa1ZxgcEla96Ntp1b4sQ6 Identifying unit fractions word problem Lindsay solves a word problem by using a unit fraction. https://cdn.kastatic.org/ka-youtube-converted/KGSwhRXMa3M.mp4/KGSwhRXMa3M.mp4 102 Fractions https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-intro/e/cutting-shapes-into-equal-parts 2024-10-01T20:13:31.006494854Z Identify unit fractions Identify unit fractions when given a visual or a context. elizabeth exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-on-the-number-line/v/fractions-on-a-number-line 2023-04-26T09:17:19.896568581Z Fractions on a number line Together, we'll explore how to represent fractions on a number line. We'll review dividing a whole, like a circle, into equal parts and selecting a fraction. Then, we'll apply this concept to a number line, dividing the interval between 0 and 1 into equal sections and labeling fractions. We'll emphasize that fractions are numbers that can be plotted on a number line, not just parts of shapes. Sal Khan video https://cdn.kastatic.org/googleusercontent/XhPObg6CBJfaxBqhyAHDo1v57Uhgrf452yzhyZmwDHg3TLeP466ndawIItVplJ6gH5tpif-4hcdr6bThnGueN2AS Fractions on a number line Together, we'll explore how to represent fractions on a number line. We'll review dividing a whole, like a circle, into equal parts and selecting a fraction. Then, we'll apply this concept to a number line, dividing the interval between 0 and 1 into equal sections and labeling fractions. We'll emphasize that fractions are numbers that can be plotted on a number line, not just parts of shapes. https://cdn.kastatic.org/ka-youtube-converted/Z0WsfO-RI8Y.mp4/Z0WsfO-RI8Y.mp4 256 Fractions https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-on-the-number-line/e/fractions_on_the_number_line_1 2026-03-24T23:41:07.080866137Z Fractions on the number line Plot and spot fractions on the number line. Matt Wahl exercise https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-on-the-number-line/v/fractions-greater-than-1-on-the-number-line 2026-03-10T04:40:42.349852002Z Fractions greater than 1 on the number line Sal plots fractions greater than 1 on the number lines. video https://cdn.kastatic.org/googleusercontent/IdlSo98iTxcsl1TIROJEXcNhBMFwKd6Lmn2Px8MK3IU2g-4t79vI9H4Va29sXGo5NWPAcQB-8RmTAnJX9EDmtUMo Fractions greater than 1 on the number line Sal plots fractions greater than 1 on the number lines. https://cdn.kastatic.org/ka-youtube-converted/AXdZCfSdQFY.mp4/AXdZCfSdQFY.mp4 213 Fractions https://www.khanacademy.org/math/cc-third-grade-math/imp-fractions/imp-fractions-on-the-number-line/e/fractions-greater-than-1-on-the-number-line 2026-04-07T22:59:30.107127435Z Fractions greater than 1 on the number line Plot and spot fractions greater than 1 on the number line. Lindsay exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-mixed-numbers/v/changing-an-improper-fraction-to-a-mixed-number 2021-05-18T23:20:43Z Writing improper fractions as mixed numbers Sal rewrite 7/4 as a mixed number. Sal Khan video https://cdn.kastatic.org/googleusercontent/Tm0p-mwUO1C2houBvbbOoINReXGfu7NWBFgF2Is3FNxireKAMhPyw2RcAfaQGdS0hH03Exv8vJfjse59lB2ng6r3 Writing improper fractions as mixed numbers Sal rewrite 7/4 as a mixed number. https://cdn.kastatic.org/ka-youtube-converted/8JyPzTeA_8w.mp4/8JyPzTeA_8w.mp4 242 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-mixed-numbers/v/changing-a-mixed-number-to-an-improper-fraction 2021-05-18T23:20:43Z Writing mixed numbers as improper fractions Sal rewrites 5 1/4 as an improper fraction. Sal Khan video https://cdn.kastatic.org/googleusercontent/ZT_UbUpbg05jWzI6Sx01_L8dK5tMCi5FI7nD4_T2JWUw58PlsFVGwokekwxj3WYIiDGBnar5EjdbFYMM3gPakoFj Writing mixed numbers as improper fractions Sal rewrites 5 1/4 as an improper fraction. https://cdn.kastatic.org/ka-youtube-converted/xkg7370cpjs.mp4/xkg7370cpjs.mp4 403 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-mixed-numbers/e/converting_mixed_numbers_and_improper_fractions 2023-11-26T23:13:37.821958878Z Write mixed numbers and improper fractions Practice writing a fraction as a mixed number and vice versa. Omar Rizwan exercise https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-equivalent-fractions-2/v/equivalent-fractions-with-models 2022-10-06T09:48:27.705455518Z Equivalent fractions with models Sal uses fraction models and tape diagrams to help identify equivalent fractions.   video https://cdn.kastatic.org/ka_thumbnails_cache/0df5e959-9de5-418e-9130-39e305ee2f13_1280_720_base.png Equivalent fractions with models Sal uses fraction models and tape diagrams to help identify equivalent fractions.   https://cdn.kastatic.org/ka-youtube-converted/vTjgaVmJ8fk.mp4/vTjgaVmJ8fk.mp4 336 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-equivalent-fractions-2/e/visualizing-equivalent-fractions 2024-09-30T02:22:49.903226946Z Equivalent fractions (fraction models) Practice finding equivalent fractions. These problems show you pictures of fractions to help you out. taramurtha exercise https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-equivalent-fractions-2/v/equivalent-amount-of-pizza 2023-05-23T10:28:13.689545116Z Equivalent fractions Learn how equivalent fractions represent the same amount, even with different numerators and denominators. We uses a pizza example to show how 1/2, 2/4, and 4/8 are equivalent, as they all represent the same portion. Sal Khan video https://cdn.kastatic.org/googleusercontent/VUf3PeL-OxxXHE2s9k0ApIOK19JLPHQ32CTEi-ApV2gz9lq9OF91_bdI7rzCFI5RVjYX6NMtary1c1A7l-3dJyBrog Equivalent fractions Learn how equivalent fractions represent the same amount, even with different numerators and denominators. We uses a pizza example to show how 1/2, 2/4, and 4/8 are equivalent, as they all represent the same portion. https://cdn.kastatic.org/ka-youtube-converted/N1X0vf5PUz4.mp4/N1X0vf5PUz4.mp4 258 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-equivalent-fractions-2/v/more-equivalent-fractions 2021-06-24T19:33:07Z More on equivalent fractions Sal uses fraction models and multiplication to find equivalent fractions. Sal Khan video https://cdn.kastatic.org/googleusercontent/PREOqhLpuDmpq7-p7N5zXuMBxP-GZpf9C7KwPAY7Ycipbtjp6O4aC-87nw-kVCMRk29_6RU4Otc9BC58nKjtg6Te More on equivalent fractions Sal uses fraction models and multiplication to find equivalent fractions. https://cdn.kastatic.org/ka-youtube-converted/yZqVJtDO7gc.mp4/yZqVJtDO7gc.mp4 294 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-equivalent-fractions-2/e/equivalent_fractions 2025-02-10T05:04:39.155459793Z Equivalent fractions Practice making equivalent fractions by multiplying the numerator and denominator by the same number. Marcia Lee exercise https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-comparing-fractions-with-unlike-denominators-visually/v/comparing-fractions-visually-with-pies 2021-06-21T15:30:28Z Comparing fractions: fraction models Sal compares fractions visually with pies video https://cdn.kastatic.org/googleusercontent/kAvfDk8C6KMN994nMGmToOGnUzeiqmyxWrw5HeNRxKt3Uumt77OtXrpgL5AqFt1j_pRJHOuZKrjfNY9CE7avO9w62w Comparing fractions: fraction models Sal compares fractions visually with pies https://cdn.kastatic.org/ka-youtube-converted/uCtXyhepAmQ.mp4/uCtXyhepAmQ.mp4 152 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-comparing-fractions-with-unlike-denominators-visually/e/visually-comparing-fractions 2025-01-03T18:43:44.604383959Z Visually compare fractions with unlike denominators Practice comparing fractions by looking at pictures. Fractions in these problems do not have common denominators. Lindsay exercise https://www.khanacademy.org/math/arithmetic-home/arith-review-fractions/arith-comparing-fractions/v/fractions-with-like-denominators-numerators 2021-06-24T19:33:06Z Comparing fractions with like numerators and denominators Sal Khan video https://cdn.kastatic.org/googleusercontent/gddPgKK4ndAQOal5p4hNeGq2N2t07sQQ7OscTGzYPeW0Em7j2Vm1OvCL1uMRB2TZvwErFXd4ldvM-u1Yufv-DIil Comparing fractions with like numerators and denominators https://cdn.kastatic.org/ka-youtube-converted/wbAxarp_Ug4.mp4/wbAxarp_Ug4.mp4 288 Fractions https://www.khanacademy.org/math/cc-third-grade-math/equivalent-fractions-and-comparing-fractions/imp-comparing-fractions/e/comparing_fractions_1 2021-05-02T10:09:27Z Compare fractions with the same numerator or denominator Compare two fractions that have either the same numerator or denominator.   Marcia Lee exercise https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-comparing-fractions-with-unlike-denominators/v/comparing-fractions-with-different-denominators 2021-06-21T15:30:29Z Comparing fractions 1 (unlike denominators) Sal compares fractions by finding a common denominator. video https://cdn.kastatic.org/googleusercontent/7jV2BYpIZgniHXoWIDPvLRXjMJyboLvwcEpBMcQwKX0-vw3G_uHC2He3TIZS70RaR_7jKmkMM9ciTyI5QFb2bv1U8A Comparing fractions 1 (unlike denominators) Sal compares fractions by finding a common denominator. https://cdn.kastatic.org/ka-youtube-converted/zRjLZROI7wc.mp4/zRjLZROI7wc.mp4 256 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/comparing-fractions-and-equivalent-fractions/imp-comparing-fractions-with-unlike-denominators/e/comparing_fractions_2 2025-02-25T11:20:34.857789849Z Compare fractions with different numerators and denominators Practice comparing two fractions with different denominators with greater and less than symbols.  Marcia Lee exercise https://www.khanacademy.org/math/arithmetic-home/arith-review-fractions/arith-comparing-fractions/e/ordering_fractions 2026-03-24T23:41:07.080866137Z Order fractions Practice ordering 3 fractions from least to greatest.  Omar Rizwan exercise https://www.khanacademy.org/math/cc-third-grade-math/equivalent-fractions-and-comparing-fractions/imp-comparing-fractions/v/comparing-unit-fractions 2023-06-01T14:45:55.494628927Z Comparing unit fractions This video explains how to compare fractions. By visualizing them as parts of a whole, it becomes clear which fraction is larger. In general, the fraction with the smaller denominator will be larger. This rule can be applied to a variety of fractions. video https://cdn.kastatic.org/googleusercontent/AKJVCI9MQIQ7G9nHCqNkKqUDS7k4EQT3X95ImSt4czV1s1m4rPpNnhqouIJKHqblRQj6u5xtt6S5ulYvF_6OLGLD Comparing unit fractions This video explains how to compare fractions. By visualizing them as parts of a whole, it becomes clear which fraction is larger. In general, the fraction with the smaller denominator will be larger. This rule can be applied to a variety of fractions. https://cdn.kastatic.org/ka-youtube-converted/Oo-sc0v0zBU.mp4/Oo-sc0v0zBU.mp4 216 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-adding-and-subtracting-fractions-with-like-denominators/v/adding-fractions-with-like-denominators 2021-07-02T09:35:26Z Adding fractions with like denominators Sal adds 3/15+7/15. Sal Khan video https://cdn.kastatic.org/googleusercontent/CF07ubahhaWVnQbITWplYbItPtibFW9_f0zBBjhNFMlz0mUmFGQzBH-rm9y-y1O5UjW_HTJzk9olXoRV_39y7-LScA Adding fractions with like denominators Sal adds 3/15+7/15. https://cdn.kastatic.org/ka-youtube-converted/EJjnEau6aeI.mp4/EJjnEau6aeI.mp4 198 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-adding-and-subtracting-fractions-with-like-denominators/e/adding_fractions_with_common_denominators 2024-05-02T20:43:09.586615431Z Add fractions with common denominators Add two fractions with the like denominators.   Marcia Lee exercise https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-fractions-with-unlike-denominators/v/adding-small-fractions-with-unlike-denominators 2026-03-10T04:40:42.349852002Z Adding fractions with unlike denominators Learn how to add two fractions with different denominators. It can be challenging to combine fractions when the denominators don't match. It is important to find a common denominator. Finally, the resource shows how to find a common multiple of the two denominators in order to convert the fractions so they can be added together. video https://cdn.kastatic.org/googleusercontent/EeHR_uZPZlXZKP-3VZDsOr8WFeKnUgKKFjTnaea8kP3aWG5vjjT1bydR9QDybgSCxJB51sQSRgHJFbkYIvlgJIGX Adding fractions with unlike denominators Learn how to add two fractions with different denominators. It can be challenging to combine fractions when the denominators don't match. It is important to find a common denominator. Finally, the resource shows how to find a common multiple of the two denominators in order to convert the fractions so they can be added together. https://cdn.kastatic.org/ka-youtube-converted/bcCLKACsYJ0.mp4/bcCLKACsYJ0.mp4 444 Fractions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-fractions-with-unlike-denominators/e/adding_fractions 2025-02-10T05:04:39.155459793Z Add fractions with unlike denominators Practice adding fractions that have different denominators. Marcia Lee exercise https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-adding-and-subtracting-fractions-with-like-denominators/v/subtracting-fractions 2021-07-02T09:35:28Z Subtracting fractions with like denominators Sal subtracts 8/18-5/18. Sal Khan video https://cdn.kastatic.org/googleusercontent/VnvhAkRqLwHCIk4OcVft3Fw94aPnRyTXY-wW_po5d-KiUqJxVqzxCScGEVeFqiCGTjMe7zJOIpJlp23zCiO2riBr Subtracting fractions with like denominators Sal subtracts 8/18-5/18. https://cdn.kastatic.org/ka-youtube-converted/UbUdyE1_b9g.mp4/UbUdyE1_b9g.mp4 146 Fractions https://www.khanacademy.org/math/cc-fourth-grade-math/imp-fractions-2/imp-adding-and-subtracting-fractions-with-like-denominators/e/subtracting_fractions_with_common_denominators 2025-09-16T18:00:55.725619518Z Subtract fractions with common denominators Solve a subtraction problem with two fractions with like denominators.   Marcia Lee exercise https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-fractions-with-unlike-denominators/v/subtracting-small-fractions-with-unlike-denominators 2022-11-16T04:22:43.7414897Z Subtracting fractions with unlike denominators To subtract fractions with different denominators, you need to find a common denominator. This can be done by identifying the least common multiple of the two denominators. After rewriting the fractions so they both have the common denominator, you can subtract the numerators as you would with any two fractions. video https://cdn.kastatic.org/googleusercontent/bXhENKEsU2-HJYbsZd2b6Ft3n_R060Q01MPUr3QKFY85ubU1Q6N5weJBzV4jJDcyXxXJtBUYZ3Z8wkbhdHitPcVN6Q Subtracting fractions with unlike denominators To subtract fractions with different denominators, you need to find a common denominator. This can be done by identifying the least common multiple of the two denominators. After rewriting the fractions so they both have the common denominator, you can subtract the numerators as you would with any two fractions. https://cdn.kastatic.org/ka-youtube-converted/2DPivVFCdqA.mp4/2DPivVFCdqA.mp4 301 Fractions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-fractions-with-unlike-denominators/e/subtracting_fractions 2025-02-10T05:04:39.155459793Z Subtracting fractions with unlike denominators Practice subtracting fractions that have different denominators. Marcia Lee exercise https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-mixed-number-with-unlike-denominators/v/adding-subtracting-mixed-numbers-1-ex-1 2022-11-16T04:22:43.7414897Z Adding mixed numbers: 19 3/18 + 18 2/3 To add two mixed numbers, you can separate the whole number and fraction parts. Add the whole numbers together as you normally would, and then find a common denominator to add the fractions. Once you have your sum, you may need to simplify the fraction for your final answer. Sal Khan video https://cdn.kastatic.org/googleusercontent/ikGK6B46HtRsCcjy8ISYAmfQ7Cy7bLoKwk9fH5-MPbCCClv3Y9yhH3MlhFciA71nEvZeph2ooxReUKaThIL82NYi Adding mixed numbers: 19 3/18 + 18 2/3 To add two mixed numbers, you can separate the whole number and fraction parts. Add the whole numbers together as you normally would, and then find a common denominator to add the fractions. Once you have your sum, you may need to simplify the fraction for your final answer. https://cdn.kastatic.org/ka-youtube-converted/8Eb5MWwcMMY.mp4/8Eb5MWwcMMY.mp4 141 Fractions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-mixed-number-with-unlike-denominators/v/adding-subtracting-mixed-numbers-1-ex-2 2024-10-17T13:35:43.606571124Z Subtracting mixed numbers: 7 6/9 - 3 2/5 We can subtract two mixed numbers, by converting them to improper fractions. First, multiply the whole number by the denominator and add the numerator to get the improper fraction. Find a common denominator and adjust the numerators accordingly. Subtract the two improper fractions, and simplify the result if possible. Finally, convert the improper fraction back to a mixed number if desired Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/8f5f21f3-fc39-4e9d-903a-0fa5a62f54d4_1280_720_base.png Subtracting mixed numbers: 7 6/9 - 3 2/5 We can subtract two mixed numbers, by converting them to improper fractions. First, multiply the whole number by the denominator and add the numerator to get the improper fraction. Find a common denominator and adjust the numerators accordingly. Subtract the two improper fractions, and simplify the result if possible. Finally, convert the improper fraction back to a mixed number if desired https://cdn.kastatic.org/ka-youtube-converted/zR3gaFobut4.mp4/zR3gaFobut4.mp4 151 Fractions https://www.khanacademy.org/math/cc-fifth-grade-math/imp-fractions-3/imp-adding-and-subtracting-mixed-number-with-unlike-denominators/e/adding_subtracting_mixed_numbers_1 2026-01-06T15:32:23.745484225Z Add and subtract mixed numbers with unlike denominators (no regrouping) Practice adding and subtracting mixed numbers with different denominators. No regrouping required. Ben Eater exercise