common denominator - definition and synonyms

noun [countable] 

Your browser doesn’t support HTML5 audio

singularcommon denominator
pluralcommon denominators
  1. 1
    a feature that everyone or everything in a particular group has

    The common denominator in all his novels is the use of the supernatural.

  2. 2
    maths a number that can be divided exactly by all the denominators (=numbers written below the line) in a particular group of fractions. The common denominator of 1/4, 1/3, and 1/6 is 12.