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English definition of “fraction”

fraction

noun [C]    /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 noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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