Сравните числа:3/5 и 2/3; 7/8 и 8/9; 12/15 и16/20; 13/14 и 39/42
3/5<2/3;7/8>8/9;12/15>16/20;13/14>39/42
3/5<2/3; <span>7/8<8/9;</span>12/15=16/20; 13/14>39/42.