21
the answer is 21.
3 / 1/7 = 3 x 7 = 21 Therefore, there are 21 sevenths in three wholes.
49
21
20/21
21 over 8
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.
9/21 is the same as 3/7.
63/7 * 21 = 45/7 * 21 = 45*3 = 135
Four sevenths of 21 is 12.
three sevenths