Denominator
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

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

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.
Translate :