630/30 = 21/1 = 21
7/30
7/10
5/21
30/63 = 10/21
75/30 = 5/2 = 21/2 or 2.5
30 over 38 in simplest form is 15 over 19.
11/30 is in its simplest form.
13/30 is in its simplest form.
30/4215/21
18 over 30 in its simplest form is three over five.
21/30 = 7/10