common denominator

noun

1
: a common multiple of the denominators of a number of fractions
2
: a common trait or theme

Examples of common denominator in a Sentence

Drugs seem to be the common denominator in these crimes.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But a closer look at the data reveals blemishes that could mar that rosy outlook — with President Donald Trump’s economic policies as the most significant common denominator. Lucy Bayly, CNN Money, 3 July 2025 With one common denominator between many attacks being the exploitation of the supply chain, with such compromise enabling lateral movement onto bigger fish, this is evidence that businesses that might not consider themselves in the aviation, insurance or retail sectors are still at risk. Davey Winder, Forbes.com, 30 June 2025 Sitting in a duck-duck-goose circle, on top of colorful blankets, were citizens tall and short, young and slightly older—all with one common denominator. Jane Bua, New Yorker, 9 June 2025 Researchers hadn’t set out to find the origins of teeth or dentin’s common denominator. Paul Smaglik, Discover Magazine, 21 May 2025 See All Example Sentences for common denominator

Word History

First Known Use

1594, in the meaning defined at sense 1

Time Traveler
The first known use of common denominator was in 1594

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Cite this Entry

“Common denominator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/common%20denominator. Accessed 21 Jul. 2025.

Kids Definition

common denominator

noun
: a number or expression that is a multiple of each of the denominators in a set of fractions
12 is a common denominator of ¼ and ⅓

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