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Anonymous
2 and 1/2 would be 5/2 the reciprocal of 5/2 would be 2/5
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2/5
21/2 = 5/2 ⇒ reciprocal of 21/2 = 1 ÷ 5/2 = 2/5
The reciprocal of 12 and one half is one over 12 and one half, or simply, 1/12.5.
2/7