Answer:
1. 2 1/3 × 2 3/5
2×3+1/3 × 2×5+3/5
7/3 × 13/5
2. 2 2/3 × 1 1/4
2×3+2/3 × 1×4+1/4
8/3 × 5/4
40/12 ÷ 4/4
3. 3 1/2 × 1 4/6
3×2+1/2 × 1×6+4/6
7/2× 10/6
70/12 ÷ 2/2
4. 1 2/8 × 1 2/5
1×8+2/8 × 1×5+2/5
10/8 × 7/5
70/40 ÷ 10/10
5. 1 1/4 × 5 1/3
1×4+1/4 × 5×3+1/3
5/4 × 16/3
80/12 ÷ 4/4
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Answers & Comments
Answer:
1. 2 1/3 × 2 3/5
2×3+1/3 × 2×5+3/5
7/3 × 13/5
= 91/15 or 6 1/15
2. 2 2/3 × 1 1/4
2×3+2/3 × 1×4+1/4
8/3 × 5/4
40/12 ÷ 4/4
= 10/3 or 3 1/3
3. 3 1/2 × 1 4/6
3×2+1/2 × 1×6+4/6
7/2× 10/6
70/12 ÷ 2/2
= 35/6 or 5 5/6
4. 1 2/8 × 1 2/5
1×8+2/8 × 1×5+2/5
10/8 × 7/5
70/40 ÷ 10/10
= 7/4 or 1 3/4
5. 1 1/4 × 5 1/3
1×4+1/4 × 5×3+1/3
5/4 × 16/3
80/12 ÷ 4/4
= 20/3 or 6 2/3