5+2 3/8=7 3/8
10 3/4-7=3 3/4
4 1/6+10=14 1/6
2 8/15-12=8/15
4 1/9+3 4/9=7 5/9
7 5/7-4 3/7=3 2/7
3 8/11+5 2/11=8 10/11
9 7/12-7 6/12=2 1/12
4 3/5+2 4/5=23/5+14/5=37/5=7 2/5
8 9/13+7 12/13=113/13+103/13=216/13=16 8/13
5 3/5-1 4/5=28/5-9/5=19/5=3 4/5
4 5/11-2 8/11=49/11-30/11=19/11=1 8/11
4-5/9=36/9-5/9=31/9=3 4/9
8-7/12=96/12-7/12=89/12=7 5/12
5-3 3/8=40/8-5-27/8=13/8=1 5/8
4-3 5/9=36/9-32/9=4/9