Question

what should be added to 5/7 such that the resulting fraction becomes 7/5 ?

Answer 1

let the number that is to be added be x
so according to the question
5/7 + x = 7/5
=> x = 7/5- 5/7
=> x= 49 - 25/35
=> x = 24/35
therefore 24/35 should be added to 5/7 so that the resulting fraction becomes 7/5.

Answer 2

24/35should be added