5/27 и 2/9 = 5/27 и 6/27
2/15 и 4/5 = 2/15 и 12/15
3/7 и 5/21 = 9/21 и 5/21
1/3 и 3/4 = 4/12 и 9/12
5/6 и 3/5 = 25/30 и 18/30
7/9 и 1/5 = 35/45 и 9/45
2/9 и 4/15 = 10/45 и 12/45
5/16 и 5/24 = 15/48 и 10/48
7/18 и 3/4 = 14/36 и 27/36
9/35 и 3/14 = 18/70 и 15/70
8/45 и 7/15 = 8/45 и 21/45
5/6 и 3/16 = 40/48 и 9/48