Meaning of the word "common denominator" in English

What does "common denominator" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

common denominator

US /ˈkɑː.mən dɪˈnɑː.mə.neɪ.t̬ɚ/
UK /ˈkɒm.ən dɪˈnɒm.ɪ.neɪ.tər/
"common denominator" picture

Noun

1.

a feature or characteristic that is shared by all members of a group

Example:
The common denominator in all these cases is a lack of communication.
They are looking for a common denominator to unite the different factions.
2.

a number that can be divided exactly by all the denominators in a set of fractions

Example:
To add these fractions, you first need to find a common denominator.
The common denominator for 1/2 and 1/3 is 6.