Question

what should be added to -7/16 to get 13/20

Answer 1

Let the number be x

-7/16+x = 13/20

x = 13/20+7/16

x = 13/20×4/4+7/16×5/5

x = 52/80+35/80

x = (52+35)/80

x = 87/80

Therefore,87/80 should be added to -7/16 to get 13/20.

Hope it helps