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Explanation & Answer
7/8 - 1/2
= (7 - 4) / 8
= 3/8
2/3 - 1/4
= (8 - 3) / 12
= 5 / 12
5/6 - 1/3
= (5 - 2) / 6
= 3 / 6
= 1 / 2
1/2 - 1/3
= (3 - 2) / 6
= 1 / 6
9/10 - 4/5
= (9 - 8) / 10
= 1 / 10
2/3 - 5/12
= (8 - 5) / 12
= 3 / 12
= 1 / 4
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