Denominator

Second term in a fraction, in a rate or in a fractional expression.

Term that indicates how many equivalent parts a whole has been divided into.

Examples

In the fraction [latex]\dfrac{4}{5}[/latex], the denominator is 5.
In the fraction [latex]\dfrac{25}{18}[/latex], the denominator is 18.
This indicates that the unit (the whole) has been subdivided into 18 equivalent parts.
In the fractional expression [latex]\dfrac{3x\space + 5}{4x \space −\space 3}[/latex], the denominator is 4x – 3.