Learn what a denominator is, how to compare it with a numerator, and how to find the common and least common denominators of fractions. Also, see how to rationalize the denominator of a fraction with irrational or root numbers. Definition of Denominator - Meaning and ExampleDenominator is the bottom number of a fraction representing how many total pieces your whole is split into. Example : Denominator Definition The denominator is the bottom number in a fraction. We write the denominator just below the fraction bar. For example, in the fraction 4 5, 5 is the denominator . Learn what numerator and denominator are, how to identify them in fractions and division, and how to simplify them. See examples, worksheets, videos and FAQs on numerator and denominator .
