8 9/20•2/13= 169/20•2/13=169/10•1/13=13/10•1/1=13/10=1 3/10
5 1/3•3/8=16/3•3/8=2
10 1/2•2/7=21/2•2/7=3
5/6•1 6/5=5/6•11/5=11/6=1 5/6
3 1/9•3/8=28/9•3/8=7/6=1 1/6
9 1/7•3/4=64/7•3/4=16\7•3=48/7=6 6/7
10 1/5•10/17=51/5•10/17=51•2/17=102/17=6
3/11•11/2=3/2=1 1/2