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