Question

devide the sum of (13/5) and (-12/7) by the product of (-31/7) and (1/-2).

Answer 1

Sum Of 13/5 + (-12/7) = 31/35.
Product Of (-31/7) * (1/-2) = 31/14.
Divide 31/35 By 31/14.
31/14 ÷ 31/35  = 5/2. Answer............

Answer 2

Sum of (13/5) and (-12/7) = (13/5) + (-12/7) ..= 13/5 - 12/7.... = 91-60/35..= 31/35........................................ Product of (-31/7) and (1/-2)=(-31/7)× (1/-2)...= 31/14...................................... Now, ATQ....... 31/35÷31/14= 31/35×14/31...( 31 and 31 cancelled and 14 and 35 cancelled by 7)= 2/5.......................... So, 2/5 is the answer.