# Adding and subtracting fractions

3 videos

2 skills

You've already got 2 cups of sugar in the cupboard. Your grandmother's recipe for disgustingly-sweet fudge cake calls for 3 and 1/3 cups of sugar. How much sugar do you need to borrow from you robot neighbor? Adding and subtracting fractions with unlike denominators is key. It might be a good idea to look at the equivalent fractions tutorial before tackling this one. Common Core Standard: 5.NF.A.1

### Adding fractions: different denominators

VIDEO
4:06 minutes

To solve this problem, we need to find the least common multiple to get at the common denominator. Can you help? We bet you can!

### Adding fractions: common denominator

VIDEO
2:33 minutes

To add these fractions we need to find a common denominator. The answer can be expressed as a mixed number. Let's try together.

### Adding fractions with unlike denominators

PRACTICE PROBLEMS

Add two fractions wtih different denominators.

### Subtracting fractions: different denominators

VIDEO
4:24 minutes

If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step.

### Subtracting fractions with unlike denominators

PRACTICE PROBLEMS

Complete fraction subtraction problems where the two fractions have different denominators.