3 3/4 - 2 7/8 =
1/5 + 3/15 + 2/10 =
4/3 + 2/6 + 3/12 =
3/2 + 3/4 + 2/8 =
4 3/4 - 2 1/2 =
2 1/4
1 11/12
7/8
3/5
2 1/2
