Relax

Respuesta :

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