Question

What is ?/? + 2/7 =1

Answer 1

5/7

If you add the numerators in each, they should be the same as the denominator. 5+2=7

So 7/7=1

Answer 2

5/7

Explanation:

`x + (2)/(7) = 1 \\ \\ x = 1 - (2)/(7) \\ \\ x = (7)/(7) - (2)/(7) \\ \\ x = (5)/(7)`