3/7 + 2/7
2 2/3 - 6/9
3/4 + 7/12
2 2/3 X 1/4
5/12 + 1/3
1 1/3 + 4 5/6
9/12 - 8/12
3 2/5 - 2 7/10
3/6 X 2/3
11/12 - 1/3
7/12
1 1/3
6 1/6
1/3
2/3
5/7
3/4
1/6
2
7/10
