1) 9 3/5 × 10/21 = (48/5) × (10/21) = (48 × 10) / (5 × 21) = 480 / 105 = 16/3
2) 3 11/12 × 9/94 = (47/12) × (9/94) = (47 × 9) / (12 × 94) = 423 / 1128 = 47 / 126
3) 1 5/7 × 6 1/8 = (12/7) × (49/8) = (12 × 49) / (7 × 8) = 588 / 56 = 147/14 = 105/14 = 15/2
4) 3 5/9 × 5 1/4 = (32/9) × (21/4) = (32 × 21) / (9 × 4) = 672 / 36 = 56/3
5) 1 13/15 × 5/8 × 2 2/7 = (28/15) × (5/8) × (16/7) = (28 × 5 × 16) / (15 × 8 × 7) = 2240 / 840 = 112/42 = 56/21 = 8/3
6) 2 1/4 × 16/27 × 4 1/3 = (9/4) × (16/27) × (13/3) = (9 × 16 × 13) / (4 × 27 × 3) = 1872 / 324 = 104/18 = 52/9
1) 9 3/5 × 10/21 = (48/5) × (10/21) = (48 × 10) / (5 × 21) = 480 / 105 = 16/3
2) 3 11/12 × 9/94 = (47/12) × (9/94) = (47 × 9) / (12 × 94) = 423 / 1128 = 47 / 126
3) 1 5/7 × 6 1/8 = (12/7) × (49/8) = (12 × 49) / (7 × 8) = 588 / 56 = 147/14 = 105/14 = 15/2
4) 3 5/9 × 5 1/4 = (32/9) × (21/4) = (32 × 21) / (9 × 4) = 672 / 36 = 56/3
5) 1 13/15 × 5/8 × 2 2/7 = (28/15) × (5/8) × (16/7) = (28 × 5 × 16) / (15 × 8 × 7) = 2240 / 840 = 112/42 = 56/21 = 8/3
6) 2 1/4 × 16/27 × 4 1/3 = (9/4) × (16/27) × (13/3) = (9 × 16 × 13) / (4 × 27 × 3) = 1872 / 324 = 104/18 = 52/9