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Proper fraction in Irish (Ceartchodán): Meaning, Pronunciation, Usage

The Irish for proper fraction is ceartchodán, a masculine noun (plural ceartchodáin).
Updated October 2026Report a mistake

How to say “proper fraction” in Irish

Irish:
ceartchodán
English:
proper fraction
Word type:
noun
Gender:
masculine
Pronunciation:
“KYART-khu-dawn”  /ˈcaɾˠt̪ˠˌxʊd̪ˠɑːnˠ/
Various forms
Plural:
ceartchodáin (proper fractions)
Genitive singular:
ceartchodáin, an cheartchodáin (e.g. uimhreoir an cheartchodáin, the numerator of the proper fraction)
Genitive plural:
ceartchodán, na gceartchodán (e.g. suimiú na gceartchodán, the addition of proper fractions)

What does “ceartchodán” mean?

proper fraction
A fraction in which the top number (numerator) is smaller than the bottom number (denominator), such as three quarters.Also: fraction, common fraction.

“Ceartchodán” with the article

The plural of proper fraction in Irish is ceartchodáin. Here is ceartchodán after the article (an t-alt), in the singular and the plural.

an ceartchodán
the proper fraction
No change after an
na ceartchodáin
the proper fractions
Plural: no change after na

“Ceartchodán” in a sentence: Irish examples

Common Irish sentences using ceartchodán, the Irish word for proper fraction.

Is ceartchodán é trí cheathrú.
Three quarters is a proper fraction.
Tá an ceartchodán seo níos lú ná a haon.
This proper fraction is less than one.
Scríobh síos trí cheartchodán dhifriúla.
Write down three different proper fractions.
Simpligh na ceartchodáin sa leabhar.
Simplify the proper fractions in the book.
Cad é ainmneoir an cheartchodáin sin?
What is the denominator of that proper fraction?
Bhí botún i mo cheartchodán ar an gclár.
There was a mistake in my proper fraction on the board.
D'fhoghlaim na páistí faoi cheartchodáin inniu.
The children learned about proper fractions today.

Other nouns in Irish

More everyday Irish nouns to learn next.

Proper fraction in Irish: frequently asked questions

What is the Irish for proper fraction?

The Irish for proper fraction is ceartchodán (pronounced “KYART-khu-dawn”). It’s a masculine noun and the plural is ceartchodáin.

How do you pronounce ceartchodán in Irish?

Ceartchodán is said like “KYART-khu-dawn” (IPA /ˈcaɾˠt̪ˠˌxʊd̪ˠɑːnˠ/).

What is the plural of proper fraction in Irish?

The plural of ceartchodán is ceartchodáin; with the article, na ceartchodáin means “the proper fractions”. The genitive plural is ceartchodán, as in suimiú na gceartchodán (the addition of proper fractions).

Why does ceartchodán change to cheartchodán or gceartchodán?

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

What is the difference between 'ceartchodán' and 'codán'?

'Codán' is any fraction, while 'ceartchodán' is specifically a proper fraction, where the numerator is smaller than the denominator. An improper fraction is 'codán neamhcheart'.

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