Addition
2/6 + 1/10?
13/30
12/14 - 2/16
41/56
6/4 + 2/3
26/12
7/5 + 7/7
2 2/5
3 1/30 - 6/30
2 25/30
4/8 + 10/12
1 1/3
2 2/3 - 6/7
2 4/21
8/7 + 9/2
79/14
15/5 + 10/4
1 5/20
5 2/10 - 2 5/10
2 7/10
1/7 + 2/11
25/77
3 6/8 - 1 5/7
2 2/56
3 3/1 - 7/4
17/4
5/8 + 24/8
3 5/8
5 1/16 - 7/16
4
5/8 + 7/9
1 29/72
6 6/9 - 4 5/4
2 21/36
5/4 + 3/6
21/12
9/11 + 2/13
139/143
2 6/12 - 20/12
5/6
2/7 + 3/6
33/42
5 3/5 - 2 6/8
3 6/40
7/5 + 6/6
72/30
27/24 + 2/24
1 5/24
3 11/16 - 21/16
2 3/8