Since the numerator of the fraction is prime, the proper fraction 31/91 is expressed in its simplest form.
41 over 91 in simplest form is unchanged.
91/36 is in its simplest form.
91/24 is in its simplest form.
65 over 91 in simplest form is 5/7
4/91 is already in its simplest form
The simplest form of the fraction 91 over 112 is 13 over 16.
91/60 can not be reduced any further. You can however change it into a mixed numeral. 91/60 = 1 (+) 31/60
65/91 = 5/7
87/91 is in its simplest form.
It is: 63/91 = 9/13
91/133 = 13/19
7 over 13