12 over 63 simplified = 4/21
It is: 63/60 = 21/20 simplified
45/63 is 5/7 simplified
6/63 = 2/21 simplified
63/64 cannot be simplified further.
It is: 63/77 = 9/11 simplified
54/63 = 6/7 simplified
63 over 108 in lowest terms is 7/12
The simplified fraction of 15 over 63 is 5/21
63/100= .63
41/63
2/63