Question

plzzzzzzzzzzzzzzzzzzhelp​

Answer 1

Let the no. which should be added to -1 be x

so -1 + x = 5/7

x = 5/7 + 1

x = 12/7

So 12/7 must be added to -1 to get 5/7.

Hope it helps you.

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Answer 2

Answer:

6/7

may be it's help full for you

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