Question

Divide the sum of 13 / 5 and -12 / 7 by the product of - 31 / 7 and 1 /-2 ​

Answer 1

13/5+(-12/7)÷ -31/7×1/-2.

13/5-12/7=31/35.

-31/7×1/-2=31/14.

31/35÷31/14=14/35.