# What Is the Reciprocal of a Number?

The reciprocal of a number is one (1) over that number. In all cases, one number is the reciprocal of another if their product is 1. Reciprocals of umbers are mainly used in mathematics and physics fields.
A reciprocal pair is a pair of numbers whose product equal one. To find the recriprocal of a number, divide 1 by that number.
For examble, 2 and 1/2 are reciprocals.
The term reciprocal is commonly used in algebra when involving fractions. A reciprocal is a term that describes the reverse of a fraction.
Q&A Related to "What Is the Reciprocal of a Number"
 The reciprocal of a number is more or less its opposite. You have to remember that even a whole number like 8 is expressed as 8/1. So in this example, the reciprocal of 8 is 1/8. http://answers.ask.com/Science/Mathematics/what_is...
 Every reciprocal number is a number that when multiplied against the primary number will result in the product 1. This reciprocal is often considered a reverse of the number. For http://www.ehow.com/about_6761023_reciprocal-numbe...