Explanation:
5/1 and 3/2
5/1 + 3/2 = 10/2 + 3/2 = 13/2 = 6 1/2
so, the sum is greater than 6.
5/1 - 3/2 = 10/2 - 3/2 = 7/2 = 3 1/2
so, the difference is less than 5.
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