7 × 1 целая 1/3 = 7 × 1 + 7 × 1/3 = 7 + 7/3 = 21/3 + 7/3 = 28/3 = 9 целых и 1/3.
1 целая 3/4 × 2 целых = (1 + 3/4) × 2 = 1 × 2 + 3/4 × 2 = 2 + 6/4 = 2 + 1 2/4 = 3 1/2.
8 целых × 3 целых 1/2 = 8 × (3 + 1/2) = 8 × 3 + 8 × 1/2 = 24 + 4 = 28.
7 × 1 целая 1/3 = 7 × 1 + 7 × 1/3 = 7 + 7/3 = 21/3 + 7/3 = 28/3 = 9 целых и 1/3.
1 целая 3/4 × 2 целых = (1 + 3/4) × 2 = 1 × 2 + 3/4 × 2 = 2 + 6/4 = 2 + 1 2/4 = 3 1/2.
8 целых × 3 целых 1/2 = 8 × (3 + 1/2) = 8 × 3 + 8 × 1/2 = 24 + 4 = 28.