4 1/3 - 2 2/3 =
8 1/7 - 6 2/7 =
10 2/6 - 6 5/6 =
8 4/7 - 2 5/7 =
5 3/8 - 4 4/8 =
10 1/3 - 2 2/3 =
9 2/4 - 8 3/4 =
8 3/8 - 2 4/8 =