Answer:
Step-by-step explanation:
1 - a) I can't see it clearly but if it's: 2/3 × 2/4 it will be 2/3 × 1/2 = 3/6 = 1/2
1 - b) 1/2 × 3/8 = 3/16
1 - c) 7/8 × 3/5 = 21/40
1 - d) 2/7 × 5/8 = 10/56
2 - a) 2/3 × 5 = 10/3
2 - b) 4 × 7/8 = 28/8 = 7/2
2 - c) 3/5 × 12 = 36/5
2 - d) 8 × 4/7 = 32/7
3 - a) 3×1/8 × 4 = 3/8 × 4 = 12/8 = 3/2
3 - b) 5 × 7×1/2 = 5 × 7/2 = 35/2
3 - c) 3×2/3 × 6 = 6/3 × 6 = 2 × 6 = 12
3 - d) 10 × 1×2/3 = 10 × 2/3 = 20/3
4 - a) 2×1/2 × 3×1/3 = 2/2 × 3/3 = 1 × 1 = 1
4 - b) 1×1/5 × 3×3/4 = 1/5 × 9/4 = 9/20
4 - c) 2×1/2 × 2×1/2 = 2/2 × 2/2 = 1 × 1 = 1
4 - d) 4×1/3 × 2×3/5 = 4/3 × 6/5 = 24/15 = 8/5