1/2+3/8=4/8+3/8=7/8
2/7+5/14=4/14+5/14=9/14
3/5+4/15=9/15+4/15=13/15
1/8+3/16=2/16+3/16=5/16
2/9+5/18=4/18+5/18=9/18=1/2
8/13-1/26=16/26-1/26=15/26
7/15-7/30=14/30-7/30=7/30
2/19-1/38=4/38-1/38=3/38
5/7-3/14=10/14-3/14=7/14=1/2
4/21-1/7=4/21-3/21=1/21
7/20+11/50=35/100+22/100=46/100=23/50
17/33-5/22=34/66-15/66=19/66
27/76-0=27/76
9/20+5/8=18/40+25/40=43/40
2/7+13/28=8/28+13/28=21/28
5/13-14/39=15/39=14/39=1/39
5/8-2/7=35/56+16/56=51/56
3/4+5/12=9/12+5/12=14/12=1 2/12=1 1/6
15/23-27/46=30/46-27/46=3/46
9/25-14/117=1053/2925-350/2925=703/2925
17/35-13/28=85/140-52/140=33/140
1-2/7=7/7-2/7=5/7
1 17/33+5/22=1 34/66+15/66=1 49/66
1 5/12-7/10=1 25/60-42/60=85/60-42/60=43/60
7 7/8-1 9/10=7 35/40-1 37/40=6 75/40-1 37/40=5 38/40=5 19/20
12 3/10-5 11/15=12 9/30-5 22/30=11 39/30-5 22/30= 6 7/30
7 7/15-1 3/20=7 28/60-1 9/60=6 19/60
5 1/9+3 2/5=5 5/45+3 18/45=8 23/45
3 3/8+1 5/12=3 9/24+1 10/24=4 19/24
62 2/3-3 5/8=62 16/24-3 15/24=59 1/24
12-10 7/9=11 9/9-10 7/9=1 2/9
18-11 8/13=17 13/13-11 8/13=6 5/13
15 3/17-4=11 3/17