1/2=3/6 и 1/3=2/6
1/2=5/10 и 1/5=2/10
1/2=7/14 и 1/7=2/14
1/2=9/18 и 1/9=2/18
1/2=3/6 и 2/3=4/6
1/2=5/10 и 3/5=6/10
1/2=7/14 и 6/7=12/14
1/2=9/18 и 7/9=14/18
1/7=8/56 и 1/8=7/56
3/7=24/56 и 5/8=35/56
1/10=11/110 и 1/11=10/110
3/10=33/110 и 10/11=100/110
1/10=13/130 и 1/13=10/130
1/10=13/130 и 2/13=20/130
3/10=39/130 и 4/13=40/130
9/10=117/130 и 12/13=120/130