Well, darling, 54 over 90 simplifies to 3 over 5. You just divide the top and bottom by the greatest common factor, which in this case is 18. Voila, you've got yourself a simplified fraction. Math can be a breeze when you know the tricks!
54/63 = 6/7 simplified
4914/54 = 4914 ÷ 54 = 91
It is: 24/90 = 4/15 simplified
11/90. It cannot be further simplified.
42/54 = 7/9
315/54= 105/16
33/54 = 11/18
87/54 = 29/18
It is: 90/96 = 15/16 simplified
54/121 is already in its simplest form
Yes. 21 over 54 can be simplfied to 7/18
27/70