1.7/8+1/12=21/24+2/24=23/24
2.2/5-2/7=14/25-10/35=4/35
3.4/15+1/3=4/15+5/15=9/15=3/5
4.5/12+4/5=25/60+48/60=73/60
5.1/3+1/6+1/4=4/12+2/12+3/12=9/12=3/4
6.2/5-3/4+7/10=8/20-15/20+14/20=7/20
7.2/5-1/3+1/2=12/30-10/30+15/30=17/30
8.5/8+2/5+3/16=50/80+32/80+15/80=97/80
1.11/18=22/36 5/12=15/36 22/36>15/36
2.60/108=240/432 32/48=224/432 240/432 < 224/432
33.5/9=110/198 10/22=90/18 14/33=84/198 110/198 >90/18 >84/198