1/2 + 2/5
3/21 + 2/24
9/4
9/10
3/28
13/48
1/75
1/11
3/21 - 1/28
5/6
19/84
3/22 - 2/44
2/25 - 1/15
2 + 1/4
2/5 - 2/15
4/15
1/2 + 1/3
3/16 + 1/12