9 - 5 1/6 + 4 1/12 =
6/9 + 15/25 - 8/15=
2/3+ 5/6 -1/12=
7/12 + 5/9 - 4/24 =
6 + 5 1/3 - 4 1/6 - 1 1/2 =
35/36
5 2/3
7 11/12
1 5/12
11/15
