its already in simplest form
54/63 is 6/7 in simplest form (six over seven)
The fraction 36/63 is 4/7 in its simplest form.
63 ÷ 9 = 7 81 ÷ 9 = 9 Thus giving 7 over 9 as the simplest form
18 over 63 is 2/7
7
27/63 = 3/7
63/117 = 7/13
18/63 = 2/7
7 over 8
3 over 7 or 3/7
2/7
7/11