Question

Qhat should be added to -5/7 to get -2/3

Answer 1

Answer:

1/21 is the answer

Step-by-step explanation:

let the number be x

-5/7 + x = -2/3

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

x = -2/3 + 5/7

x = -14 + 15/21

x = 1/21

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