Question

1 5 ? whats the missing number?
_ + _= _
9 6 18

Answer 1

17 / 18

Explanation:

1/9 + 5/6 needs to be converted to a different equivalent fraction so that the denominators are the same, so;

1/9 = 2/18 and 5/6 = 15/18

2/18 + 15/18 = 17/18!