3/9 + 5/9
7/8 - 5/8
3/8 +2/8 + 1/8
3 x 5/6
2 x 4/5
4/7 -1/7
4 x 2/7
1/10 + 4/10 + 5/10
5/3 - 4/3
6/12 - 3/12
3/7
8/7
3/12
2/8
1
15/6
1/3
6/8
8/9
8/5
