Well, darling, 7 can go into 8 once with a remainder of 1. It's like trying to fit into your favorite pair of jeans after a big meal - close, but not quite there. Just remember, math doesn't have to be a perfect fit to still make sense.
7/8
8 / 7 = 1.14285714
8 and 7/8 times, or 8.875 times.
520 can go into 7 0 times.
7.
30 7/8 times
63 ÷ 8 = 7.875 or 7 times with a remainder of 7.
8 times
8 times
8 times with 2 over
8
7