Question

what number should be added to -5/8 so as to get -3/2

Answer 1

-5/8 + x = -3/2
x = -3/2 - -5/8
x = -3/2 + 5/8

Answer 2

Let the number be x

According to given, x + -5/8 = -3/2
                                          x = -3/2 + 5/8
                                          x = -7/8
 Thank you