Question

What number should be added to -5/7 to get -2/3?

Answer 1

Answer:

Let the no be x

Therefore,

-5/7 +x=-2/3

=>x=-2/3-(-5/7)

=>x=-2/3+5/7

=>x=-14+15/21

=>x=1/21.

1/21 should be added to 5/7 to get -2/3.

Answer 2

(-5/7)-(-2/3)= -15-(-14)/21= -1/21 added