21/49 = 3/7
2 7/21
3/7
Common factor is seven. So it is 3 over nine
3/7
3/7
21/49 = 3/7
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 7, 21/49 is equal to 3/7 or three sevenths.
49/72 is in its simplest form.
10/49 is in its simplest form.
12/49 is in its simplest form.
49/36 is in its simplest form.