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Convert the mixed number to an improper fraction and then find the reciprocal (by turning it upside down):

2 7/10 = (2×10+7)/10 = 27/10

→ (2 7/10)⁻¹ = (27/10)⁻¹ = 10/27

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Q: What is the reciprocal of 2 and 7 over 10?
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