The answer would be 1 13/24
You want to do
8 2/3
7 1/8
———
But you have to have the same denominators so you (x) 1/8 by 3 and 2/3 by 8 to get
8 16/24
7 3/24
————
Then you just subtract 16 and 3 to get 13 and subtract 8 and 7 to get 1 so the answer would be 1 13/24
