Question

What should be added -7/5 to get -21/8

Answer 1

Answer:  -4  1/40

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Let the unknown number be x.

So, (-7/5) + x = (-21/8)

x = (-21/8) - (-7/5)

x = (-21/8) + 7/5

x = (-105/40) + ( 48/40)

x = (-57/40)

Hope this helps....