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Verified answer
1. 5 3/4 × 7/9 = 23/4 × 7/9 = 161/362. 3 5/6 × 3/7 = 23/6 × 3/7 = 69/42
3. 1 9/11 × 6/7 = 20/11 × 6/7 = 120/77
4. 1 4/7 × 5/8 = 11/7 × 5/8 = 55/56
5. 4 1/5 × 3/7 = 21/5 × 3/7 = 63/35
sorry kalau salah
semoga memabntu