


FractionsThe ReciprocalAssume d is an integer and d ≠ 0. Then the reciprocal of d is . The reciprocal of a nonzero fraction is . Any number multiplied by its reciprocal is 1. ExamplesThe reciprocal of is or simply . The reciprocal of is . The reciprocal of is .
ExercisePractice finding the reciprocals. Reciprocals of real numbersAll real numbers except 0 have reciprocals. The reciprocal of a negative number must itself be a negative number so that the number and its reciprocal multiply to 1. ExampleThe reciprocal of is . Checking by multiplying Now try finding the reciprocal of some signed numbers: << Multiplying Fractions  Fractions Index  Division of Fractions >>
