Question

What no. Should be added to -1 so as to get 5/7

Answer 1

Step-by-step explanation:

let the no. be X

so,

X+(-1)=5/7

X=5/7+1

X=5+7/7

X=12/7 is your answer

Answer 2

Answer: Let x should be added to -1 so as to get 5/7

x+(-1) = 5/7

x-1 = 5/7

x = 5/7 + 1

x = 5+7

7

x = 12

7