Question

What number should be added to -5/7 to get -2/3?
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Answer 1

Answer:

1/21

Step-by-step explanation:

-2/3 -(-5/7)

=-2/3+5/7

=(-14+15)/21

=1/21

prove: 1/21+(-5/7)

= 1/21-5/7

= (1-15)/21

= -14/21

=-2/3

Hope it will help you.

Answer 2

Let number added as x

Now

-5/7+ x =-2/3

x = -2/3 + 5/7

x =-14 + 15/ 21

x = 1 / 21

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