Find the difference 9/11-5/12

First we need to find a common denominator. For this one, the easiest way to do that is multiply 11 x 12 = 132

now convert the numerator

9x12 = 108

5x11 = 55

108/132 - 55/132 =

now just subtract the numerators

108/132 - 55/132 = 53/132