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Common denominator in Irish (Comhainmneoir): Meaning, Pronunciation, Usage

The Irish for common denominator is comhainmneoir, a masculine noun (plural comhainmneoirí).
Updated October 2026Report a mistake

How to say “common denominator” in Irish

Irish:
comhainmneoir
English:
common denominator
Word type:
noun
Gender:
masculine
Pronunciation:
“koh-AN-im-nyohr”  /ˈkoːˌanʲəmʲnʲoːrʲ/
Various forms
Plural:
comhainmneoirí (common denominators)
Genitive singular:
comhainmneora, an chomhainmneora (e.g. luach an chomhainmneora, the value of the common denominator)
Genitive plural:
comhainmneoirí, na gcomhainmneoirí (e.g. suim na gcomhainmneoirí, the sum of the common denominators)

What does “comhainmneoir” mean?

common denominator
In mathematics, a number that the denominators of two or more fractions all divide into exactly.Also: denominator, lowest common denominator.

“Comhainmneoir” with the article

The plural of common denominator in Irish is comhainmneoirí. Here is comhainmneoir after the article (an t-alt), in the singular and the plural.

an comhainmneoir
the common denominator
No change after an
na comhainmneoirí
the common denominators
Plural: no change after na

“Comhainmneoir” in a sentence: Irish examples

Common Irish sentences using comhainmneoir, the Irish word for common denominator.

Aimsigh comhainmneoir na gcodán seo.
Find the common denominator of these fractions.
Is é dó dhéag an comhainmneoir is lú.
Twelve is the lowest common denominator.
Ní féidir na codáin a shuimiú gan comhainmneoir.
You can't add the fractions without a common denominator.
Scríobh an múinteoir na comhainmneoirí ar an gclár.
The teacher wrote the common denominators on the board.
Rinne mé botún i ríomh an chomhainmneora.
I made a mistake calculating the common denominator.
Bhí mo chomhainmneoir mícheart ar fad.
My common denominator was completely wrong.
Tá an freagra ceart sa chomhainmneoir sin.
The right answer lies in that common denominator.

Other nouns in Irish

More everyday Irish nouns to learn next.

Common denominator in Irish: frequently asked questions

What is the Irish for common denominator?

The Irish for common denominator is comhainmneoir (pronounced “koh-AN-im-nyohr”). It’s a masculine noun and the plural is comhainmneoirí.

How do you pronounce comhainmneoir in Irish?

Comhainmneoir is said like “koh-AN-im-nyohr” (IPA /ˈkoːˌanʲəmʲnʲoːrʲ/).

What is the plural of common denominator in Irish?

The plural of comhainmneoir is comhainmneoirí; with the article, na comhainmneoirí means “the common denominators”. The genitive plural is comhainmneoirí, as in suim na gcomhainmneoirí (the sum of the common denominators).

Why does comhainmneoir change to chomhainmneoir or gcomhainmneoir?

Irish changes the start of some words after certain words. After mo (my) comhainmneoir becomes mo chomhainmneoir (lenition), and after ár (our) or i (in) it becomes ár gcomhainmneoir (eclipsis).

How is 'comhainmneoir' different from 'ainmneoir'?

'Ainmneoir' is any denominator of a fraction, while 'comhainmneoir' is a denominator shared by several fractions. The opposite part of a fraction is 'uimhreoir', numerator.

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