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Put these over a common denominator 3/5 4/7?
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Put these over a common denominator 3/5 4/7?

User Artem Viter
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3/5 x7= 21/35. 4/7 x5= 20/35
User XMen
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We can pick a common denominator by multiplying.

3*7/5*7= 21/35

4*5/7*5= 20/35

We have our common denom is 15.

Our fractions: 21/35 and 20/35
User Soraya
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