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    Rational Number

    Basic definition

    A rational number is a real number that can be written as a quotient of two integers.

    Detailed definition

    A rational number is a number that can be expressed as a fraction p/q where p and q are integers and q!=0. A rational number p/q is said to have numerator p and denominator q. Numbers that are not rational are called irrational numbers. The real line consists of the union of the rational and irrational numbers. The set of rational numbers is of measure zero on the real line, so it is

    Related terms

    algebraic integer | algebraic number | anomalous cancellation | continuum | denominator | Dirichlet function | Farey sequence | four exponentials conjecture | fraction | integer | irrational number | numerator | Q | quotient | ratio | rational polynomial | rational spiral | transcendental number

    Related Wolfram Language symbol

    Rationals

    Educational grade level

    high school level (California grade 7 standard)

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