1/3+5/6=2/6+5/6=7/6=1 1/6
3/7-2/9=27/63-14/63=13/63
7/16*8/35=1/10
4/9*18=8
46/75:23/45=46/75*45*23=90/75=18/15=6/5=1 1/5
2/3:4=1/6
10:5/11=22
2 3/8+4 1/6=2+4+13/24=6 13/24
6-1 3/5=(5+5/5)-(1+3/5)=5-1+5/5-3/5=4+2/5=4 2/5
4 2/7-1 4/9=4-1+2/7-4/9=3-10/63=2+63/63-10/63=2+53/63=2 53/63
8 3/4*1 3/14=35/4*17/14=595/64=9 19/64
1 3/5:5 1/3=8/5:16/3=8/5*3/16=3/10