Question

the sum of two numbers is -5/8 if one of them is -2/3 , find the other.

Answer 1

let the other no. be x
=>-2/3+x=-5/8
=>x=-5/8+2/3
=>x=(-15+16)/24
=>x=-1/24
=>x=-24

Answer 2

-2/3+x=-5/8
x=-5/8+2/3
x=-15+16/24
x=1/24