It is 49.
3 / 1/7 = 3 x 7 = 21 Therefore, there are 21 sevenths in three wholes.
49
3/7 x 21 = 9
4/21.
The mixed number for ten sevenths is 1 3/7. This means there is 1 whole number and 3/7 left over.
3/7 of 63 is 27.
Expressed as a mixed number in its simplest form, 30/21 is equal to 1 3/7 or one and three sevenths.
9 = 3/7 x 21/1 = 63/7
yes same
Four sevenths of 21 is 12.
3/7 + 8/21 = 9/21 + 8/21 = 17/21
make the lower number the same 3/7 x 8/8 = 24/56 3/8 x 7/7 = 21/56 so three sevenths is bigger