# least common denominator

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Related to least common denominator: greatest common factor, least common multiple

## least common denominator

*n.*

*Abbr.*

**lcd**

The least common multiple of the denominators of a set of fractions: The least common denominator of

^{1}/_{3}and^{1}/_{4}is 12. Also called*lowest common denominator*.## least common denominator

*n*

(Mathematics) another name for lowest common denominator

## least′ com′mon denom′inator

*n.*

the smallest number that is a common denominator of a given set of fractions. Also called

**lowest common denominator.**[1870–75]

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