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.
440/21 is in its simplest form.
10/21 is in its simplest form.
4/21 is in its simplest form.
21/100 is in its simplest form.