Put these over a common denominator 3/5 4/7?
2 answers:
3/5 x7= 21/35. 4/7 x5= 20/35
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
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