1) 1/4 и 1/3 --- 3/12 и 4/12 2/3 и 3/4 --- 8/12 и 9/12 1/2 и 3/7 --- 7/14 и 6/14 7/10 и 2/9 --63/90 и 20/90
2) 7/10; 2/3 и 10/11 --- 231/330; 220/330 и 300/330 3/4; 5/9 и 3/7 ------- 189/252; 140/252 и 108/252 4/5; 5/7 и 7/9 -------- 252/315; 225/315 и 245/315
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1) 1/4 и 1/3 --- 3/12 и 4/122/3 и 3/4 --- 8/12 и 9/12
1/2 и 3/7 --- 7/14 и 6/14
7/10 и 2/9 --63/90 и 20/90
2) 7/10; 2/3 и 10/11 --- 231/330; 220/330 и 300/330
3/4; 5/9 и 3/7 ------- 189/252; 140/252 и 108/252
4/5; 5/7 и 7/9 -------- 252/315; 225/315 и 245/315