Numerator - Definition with Examples

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What is Numerator?

When numbers are written in the form of a fraction, it can be represented as  a, where a is the numerator and b is the denominator. For example, 45 is a fraction, and the line separating the numbers 4 and 5 is the fraction bar. Here the number above the fraction bar is the numerator, and the one below the fraction bar is the denominator. A numerator represents the number of parts out of the whole, which is the denominator.

Here is an example of a numerator: 

example of numerator

Out of a pizza having 6 slices, Rena gets 1 slice. That means the fraction for Rena is 1, where 1 is the numerator. In other words, she gets one-sixth of the pizza.
Likewise, in 4, 4 is the numerator; in the fraction 2549 , 25 is the numerator and so on. So anything that is above the fraction bar or on the top in a fraction is the numerator.

Misconceptions about Numerator: 

It is always smaller than the denominator. The numerator is not necessarily smaller than the denominator. For example, 4532  is a fraction, wherein 45 is the numerator, and is greater than the denominator. Such fractions are called improper fractions and are always greater than 1.


  Fun Facts About the Numerator:

  • If the numerator is 0, then the entire fraction becomes zero, no matter what the denominator is! For example, 0100 is 0; 02 is 0, and so on.

  • The word “numerator” is derived from the Latin word numerātor, which means counter.

  • If the numerator is the same as the denominator, the value of the fraction becomes 1. For example, if the fraction is 4545 , then its value will be 1. 


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