# Denominator

From Encyclopedia of Mathematics

*of an arithmetical fraction $a/b$*

An integer $b$, indicating ( "denominating" ) the magnitude of the aliquot fractions that make up the fraction. The denominator of an algebraic fraction $A/B$ is the expression $B$ (see Fraction).

#### Comments

For aliquot fractions see Aliquot ratio.

**How to Cite This Entry:**

Denominator.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Denominator&oldid=31706

This article was adapted from an original article by S.A. Stepanov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article