Question

what number should be added to -5/7 to get -2/3​

Answer 1

Answer:

1/21 is added to get -2/3

Answer 2

Answer:

let the other number = x

-5/7 + x = -2/3

x = - 2/3 + 5/7

= -14 + 15/21

= 1/21

the other number = 1/21

-5/7 + 1/21 = -2/3

hope it helps you