1 целая 7/12 + 3 целых 5/9 = (1 + 3) + (7/12 + 5/9) = 4 + (21/36 + 20/36) = 4 + 41/36 = 4 целых 5/36
5 целых 5/24 + 2 целых 1/6 = (5 + 2) + (5/24 + 4/24) = 7 + 9/24 = 7 целых 3/8
3 целых 1/12 + 4 целых 2/15 = (3 + 4) + (5/60 + 8/60) = 7 + 13/60 = 7 целых 13/60
1 целая 7/12 + 3 целых 5/9 = (1 + 3) + (7/12 + 5/9) = 4 + (21/36 + 20/36) = 4 + 41/36 = 4 целых 5/36
5 целых 5/24 + 2 целых 1/6 = (5 + 2) + (5/24 + 4/24) = 7 + 9/24 = 7 целых 3/8
3 целых 1/12 + 4 целых 2/15 = (3 + 4) + (5/60 + 8/60) = 7 + 13/60 = 7 целых 13/60