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Lesson 1: Equivalent fractions

Equivalent fractions with models

Sal uses fraction models and tape diagrams to help identify equivalent fractions.

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• I still don't get this, can you explain it again easily?
• heres some examples to help:
if you add lets say 1/3 to 2/3 then it will be 1 because when you add it its 3/3 witch equals 1! the same with 2/3 minus 1/3 your taking away 1 from 2/3 so that's 1/3! hope this helps!!
• 'At I don't get it'
• 1/6 is a smaller fraction than 1/3. It can be kind of confusing, so it might help to make both of the fractions have the same denominator so that it will be easier for you to see how big or small they really are. To change 3 into 6, you have to multiply 3 by 2. Now, if you multiply that by 2, you also have to multiply the numerator of 1/3, so then, it becomes 2/6. So basically, it takes 2 1/6 fractions to become equivalent to 1/3. Hopefully that made a little bit of sense.
• I'm still not sure about can someone explain it for me, thanks
• i really got confused as many times
• hi! I'm sorry I still don't understand this. Im not great with fractions... can someone please help me and explain it a little bit better?? Thanks!! :3 :D
• i don't understand
• Here's some examples to help:
if you add lets say 1/3 to 2/3 then it will be 1 because when you add it its 3/3 witch equals 1! the same with 2/3 minus 1/3 your taking away 1 from 2/3 so that's 1/3! hope this helps!!
• At , Sal says "y is equal to 6/8" but meant to say, "y is equal to 6".
• I usually divide the denominators in the same way I divide the numerators. For example, if the denominator of a fraction 6 is simplified to 3 (6/3=2), then the same rule is applied to the numerator(Which is one of the problems, was 4/2=2 to get 2/3). How effective is this?