12/21 = 4/7
12/21 = 4/7 in its simplest form.
21/36 in simplest form is 7/12
divide top and bottom by 3....7/12
23/21 = 12/21
12/21 = 4/7 in its simplest form
It is: 252/12 = 21/1 which is the same as 21
4/21
7/12
1/12
4/21
It is: 21/36 = 7/12 simplified
21/80 is already in its simplest form