2/3
42/63 = 2/3
42/63 = 2/3
2/3
2/3
42/126 = 21/63 = 7/21 = 1/3
16/63 is the simplest form.
63/100 is in its simplest form.
63/500 is in its simplest form
10/63 is the simplest form.
63/32 is in its simplest form.
63/10 is in its simplest form.
126/252 = 63/126 = 21/42 = 3/6 = 1/2