-10= 1/-10
5= 1/5
7= 1/7
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The reciprocal of 7/10 is 1/(7/10) = 10/7
7/10 x 10/7 =7/7 which is 1 whole
The reciprocal of a number is the number backwards in fraction form. For example, the reciprocal of 25 would be 1/25. The reciprocal of 5/10 would be 10/5.
get a calculator! ----------------------------------------------------------------------------------------------------- The person before me obviously doesn't understand how to answer a question ----------------------------------------------------------------------------------------------------- It's 70
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