6/3 + 6/3
1/4 + 4/6
2/4 + 1/4
2/5 + 8/10
3/5 + 8/10
1/2 + 1/2
3/9 + 2/6
1/5 + 3/10
3/4 + 1/2
5/9 + 8/6
1/2
4/1
17/9
11/12
2/3
6/5
7/5
3/4
5/4
1
