Definition of Denominator

The number below the bar in a fraction is called the Denominator.

We can also define denominator as the number of parts that a whole is divided into.

More About Denominator

  • A fraction with zero (0) in the denominator is undefined.

Example of Denominator

     example of  Denominator

    The given circle is divided into 3 parts. Out of the 3 parts, one part is shaded.
    So, we write this model as in fraction form.
    In this fraction 3 is the denominator whereas 1 is the numerator.

Video Examples: Rationalize the Denominator

Solved Example on Denominator

Ques: Identify the denominator in the fraction  example of  Denominator .

    A. 39
    B. 19
    C. 40
    D. 20
    Correct Answer: A


    Step 1: In a fraction, the number below the bar is called the denominator.
    Step 2: In the given fraction, the number below the bar is 39.
    Step 3: So, the denominator is 39.
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