noun Uncommon

denominator

dih-NO-mih-nay-tuh

Denominator (noun) means the number below the line in a fraction, showing how many equal parts a whole is divided into. Example: “In the fraction 3/4, the denominator is 4.”

noun

The number below the line in a fraction, showing how many equal parts a whole is divided into.

"In the fraction 3/4, the denominator is 4."

"To add fractions, you first need a common denominator."

How to use denominator

Learner’s notes

In plain EnglishThe bottom number of a fraction.

Common mistake

Often confused with the numerator, which is the top number of the fraction.

Easily confused with

numerator

Common pairings

common denominator lowest common denominator

Word forms

denominators plural

Study it as flashcards or scroll it in Flow — saved to your collection.

Test yourself on “denominator” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

In the fraction 3/4, the _____ is 4.

Etymology

A learned borrowing from Late Latin dēnōminātor, "that which names."

Origin: Late Latin

Rhymes for denominator

gator orator locator aviator senator equator Creator curator rotator operator agitator elevator

See all rhymes for denominator →

Frequently asked questions

What does “denominator” mean?

The word “denominator” means the number below the line in a fraction, showing how many equal parts a whole is divided into. In plain terms, the bottom number of a fraction.

How do you pronounce “denominator”?

“Denominator” is pronounced dih-NO-mih-nay-tuh (/dɪˈnɒmɪneɪtə(ɹ)/ in IPA).

How do you use “denominator” in a sentence?

Here is “denominator” used in a sentence: “To add fractions, you first need a common denominator.”

What part of speech is “denominator”?

“Denominator” is a noun.

Where does the word “denominator” come from?

The word “denominator” comes from Late Latin. A learned borrowing from Late Latin dēnōminātor, "that which names.".

Is “denominator” a common word?

“Denominator” is an uncommon word in modern English.