8
8/28 + 7/28 = 15/28
15/28 which is 15 over 28
2/28 or 1/14
There are 28 sevenths in 4 wholes because 28/7 = 4
20 of course !
It is: 2/7 of 98 = 28
6/14 12/28
30/35 and 24/28
28
2/7 plus 1/4 is the same as 8/28+7/28 = 15/28
4 sevenths just over half
20