Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “common denominator”

See all translations

common denominator

noun [C] uk   us  

common denominator noun [C] (NUMBER)

specialized mathematics a number that can be divided exactly by all the denominators (= numbers under the line) in a group of fractions: 12 is a common denominator of 1/3 and 1/4.

common denominator noun [C] (SIMILARITY)

something that is the same for all the members of a group and might bring them together: The common denominator was that we had all worked for the same company.
Translations of “common denominator”
in Chinese (Traditional) 數字, 公分母…
in Chinese (Simplified) 数字, 公分母…
(Definition of common denominator from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of common denominator?
Add Cambridge dictionaries to your browser to your website

Definitions of “common denominator” in other dictionaries

Word of the Day

be as cold as ice

to be extremely cold

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More