Explanation:
1. 5 1/4 = 21/4
21/4 ÷ 3/4 = 7/4
2. 7 1/2= 15/2
15/2 ÷ 1/4 = 1.875
3. 3 2/5 = 17/5
17/5 ÷ 2/7 = 0.24
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