FRACTION | meaning in the Cambridge English Dictionary

raction

noun [ C ]

uk /ˈfræk.ʃən/ us /ˈfræk.ʃən/

C2

a number that results from dividing one whole number by another:

¼ and 0.25 are different ways of representing the same fraction.

a small part of something, or a small amount:

Although sexual and violent crimes have increased by 13 percent, they remain only a tiny/small fraction of the total number of crimes committed each year.

They can produce it at a fraction of the cost of (= much more cheaply than) traditional methods.

Could you just move a fraction to the right, so I can get by?

More examples

• Reputable charities spend most of the donated money on aid and a tiny fraction on administration.
• For his maths homework, he's got to convert various fractions to decimals and decimals to fractions.
• How would you express 25% as a fraction, children?

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(Definition of fraction from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

fraction | American Dictionary

fraction

noun [ C ]

us /ˈfræk·ʃən/

mathematics

a number that results from dividing one whole number (= a number with no part of a number after it) by another:

1/4 and 0.25 are different ways of representing the same fraction.

A fraction is also a very small part or amount of something:

Counterfeits are sold at a fraction of the cost of the genuine articles.

Juries often hear only a fraction of the story.

fractional

adjective   mathematics

(Definition of fraction from the Cambridge Academic Content Dictionary © Cambridge University Press)

fraction | Business English

fraction

noun [ C, usually singular ]

uk /ˈfrækʃən/ us

a small part or amount of something:

The company's computers only represent a fraction of the market.