19/5 + 4/3 = (57 + 20)/15 = 77/15
24/5 - 1 целая 1/5 = (120 - 5 - 1)/5 = 114/5
10/3 + 1 целая 1/5 = (30 + 5 + 1)/3 = 36/3 = 12
4 целых 1/4 - 5/2 = (16 + 1 - 10)/4 = 7/4
19/5 + 4/3 = (57 + 20)/15 = 77/15
24/5 - 1 целая 1/5 = (120 - 5 - 1)/5 = 114/5
10/3 + 1 целая 1/5 = (30 + 5 + 1)/3 = 36/3 = 12
4 целых 1/4 - 5/2 = (16 + 1 - 10)/4 = 7/4