а) 3 целых 1/3 + 1 целая 1/4 = 3 + 1 + 1/3 + 1/4 = 4 + 1/3 + 1/4 = 4 + 4/12 + 3/12 = 4 + 7/12 = 4 целых 7/12
б) 5 целых 1/8 - 4 целых 1/2 = 5 - 4 + 1/8 - 1/2 = 1 + 1/8 - 4/8 = 1 + 1/8 - 1/2 = 1 + 1/8 - 4/8 = 1 - 3/8 = 1 целая 5/8
а) 3 целых 1/3 + 1 целая 1/4 = 3 + 1 + 1/3 + 1/4 = 4 + 1/3 + 1/4 = 4 + 4/12 + 3/12 = 4 + 7/12 = 4 целых 7/12
б) 5 целых 1/8 - 4 целых 1/2 = 5 - 4 + 1/8 - 1/2 = 1 + 1/8 - 4/8 = 1 + 1/8 - 1/2 = 1 + 1/8 - 4/8 = 1 - 3/8 = 1 целая 5/8