common denominator

noun

Synonyms of common denominatornext
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.
Fractured trust is a common denominator that undermines cohesive relationships in all areas of life. Charlotte Observer, 14 Feb. 2026 The common denominator is Ivona Hertz, their building manager. Daniel Yadin, Curbed, 11 Feb. 2026 According to her, many others take the skills into entirely different paths, but the common denominator remains learning how to take a risk and make an idea real. Connie Etemadi, USA Today, 10 Feb. 2026 The common denominator this year? Jake Henry Smith, Glamour, 29 Jan. 2026 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 15 Feb. 2026.

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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