Question 85

Simplify: (2/7 + 3/5) ÷ (2/5 + 2/7)

Solution

$$(2/7+3/5)=(10+21)/35=31/35.$$

and $$(2/5+2/7)=(14+10)/35=24/35.$$

So,$$(2/7+3/5)÷(2/5+2/7)$$

$$=(31/35)÷(24/35)$$

$$=31/24.$$

A is correct choice.

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