15-09-2017
Mathematics

contestada

How do I rewrite the expression as a single fraction?

6/7 - 2/5

Respuesta :

temp102 temp102

15-09-2017

find a common denomenator
the easiest way is to multiply each by 1 or x/x where x=x

multiply 6/7 by 5/5 and multiply 2/5 by 7/7

we get
6/7-2/5=30/35-14/35=(30-14)/35=16/35

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