least common denominator

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noun Mathematics.

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

Origin of least common denominator

First recorded in 1870–75

Also called lowest common denominator.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for least common denominator

least common denominator

noun

another name for lowest common denominator

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012