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2. 3 1/5 × 4 1/7 = 16/5 × 29/7 = 464/35 = 13 9/35
3. 4 6/7 + 1 3/5 = 4 30/35 + 1 21/35 = 5 51/35 = 6 16/35
4. 6 3/5 × 2/7 = 33/5 × 2/7 = 66/35 = 1 31/35
5. 7/12 × 2/7 = 14/84 = 7/42 = 1/6
6. 6 ÷ 1/8 = 12/2 ÷ 1/8 = 12/2 × 8/1 = 96/2 = 48
7. 0,37 + 1,67 = 37/100 + 167/100 = 204/100 = 2 4/100 = 2 2/50 = 2 1/25
8. 1,652 - 0,975 = 1625/1000 - 975/1000 = 650/1000 = 325/500 = 13/20
9. 11/2 × 3/5 = 33/10 = 3 3/10
10. 2 ÷ 5/6 = 4/2 ÷ 5/6 = 4/2 × 6/5 = 24/10 = 2 4/10 = 2 2/5