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least common denominator

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least common denominator

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


Origin:
1870–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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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.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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