It is 49/64.
9/64
There are 128 eights in a pound of weed
5/8 of 64 is... 40 !
There are 64 3/8 in 24 because 64 times 3/8 = 24
40
15/64
20/64=5/17
49/64
3/8 x 64 = 24
9/8 of 64 = 72 64 * 9 / 8 = 72
Well, there are 8 one-eighths in an inch. So in 8 inches there are 8*8 one-eighths = 64