3/10 и 2/3   9/30 и 20/30

4/5 и 4/9   36/45 и 20/45

1/2 и 1/7   7/14 и 2/14

5/8 и 7/11   55/88 и 56/88

4/25 и 9/10   40/250 и 225/250

5/6 и 4/9   45/54 и 24/54

3/20 и 2/15   45/300 и 40/300

3/4 и 9/10  30/40 и 36/40

3/9 и 15/25 75/225 и 135/225

4/6 и 6/8    32/48 и 36/48

2/4 и 6/9   18/36 и 24/36

21/98 и 20/84   1764/8232 и 1960/8232