Look up fraction in Wiktionary, the free dictionary.
A fraction is one or more equal parts of something.
Fraction may also refer to:
- Fraction (chemistry), a quantity of a substance collected by fractionation
- Fraction (floating point number), an (ambiguous) term sometimes used to specify a part of a floating point number
- Fraction (politics), a subgroup within a parliamentary party
- Fraction (radiation therapy), one unit of treatment of the total radiation dose of radiation therapy that is split into multiple treatment sessions
- Fraction (religion), the ceremonial act of breaking the bread during Christian Communion