395/54 cannot be simplified.
54/63 = 6/7 simplified
-2/9
It is: (3-54)/6 = -17/2 simplified
54/55 cannot be simplified.
4914/54 = 4914 ÷ 54 = 91
It is 54/66 which can be simplified, if required.
54
42/54 = 7/9
315/54= 105/16
33/54 = 11/18
87/54 = 29/18