4
3/7 of 28 = 28*3/7 = 12
28/63
4
20 of course !
There are 28 sevenths in 4 wholes because 28/7 = 4
To divide by a fraction, multiply by its reciprocal. In this instance, 3/7 / 4/7 = 3/7 x 7/4 = 21/28 = 3/4. Therefore, three sevenths divided by four sevenths is equal to three quarters.
3/7 x 28 = 12
28
Twenty eighths.
(4 / 7) * (3 / 4) = 12 / 28 = 3 / 7 ■
It is 3/7 of 91 = 39
8/14, 12/21, 16/28