The LessonThe reciprocal of a quantity is the result of dividing 1 by that quantity.
Dictionary DefinitionThe Oxford English Dictionary defines a reciprocal as "based on an inverse relationship."
Real Examples of ReciprocalsThe reciprocal can't be found for numbers, letters and more complicated quantities, like terms and expressions.
|Type of Quantity
Lesson SlidesThe slider below shows more real examples of reciprocals.
Reciprocals of FractionsTo find the reciprocal of a fraction, 1 is divided by the fraction. Dividing 1 by a fraction turns the fraction upside down.
Read more about how to find the reciprocal of a fraction
Exponent Notation For a ReciprocalsTo denote the reciprocal of a quantity, place −1 to the top-right of the quantity. This is an exponent of −1.
Read more about exponents of −1