21/18 simplified would be 7/6
18/21 in simplest form is 6/7.
The answer is 6/7
18 over 21
21/80 is already in its simplest form
Yes, to 6/7
21/5 is the simplest form.
21/18 = 7/6
21/46 is the simplest form.
21/52 is the simplest form.
4/21 is in its simplest form.
13/21 is in its simplest form.
21/22 is in simplest form.