Question

The sum of two rationals is -8 if one of the number is -13/7 find the other.

Answer 1

let other no. be x

-13/7 + x = -8

x = -8 - (-13/7)

x = -8 + 13/7

x = -56/7 + 13/7

x = -43/7

Answer 2

I think this will help you.