сравните числа 
2 2/3 и 2 1/3
4 1/8 и 4 3/16
5 12/15 и 3 3/4

1) 2 2/3 2 1/3
8/3 >7/3
2) 4 1/8 4 3/16
33/8 <67/16
3) 5 12/15 3 3/4
87/15 >15/4