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  1. Irrational Numbers - Math is Fun

    Because it's an irrational number. An Irrational Number is a real number that cannot be written as a simple fraction: 1.5 is rational, but π is irrational. Let's look at what makes a number rational or …

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  2. Irrational number - Wikipedia

    In mathematics, the irrational numbers are all the real numbers that are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers.

  3. Definition, Examples | Rational and Irrational Numbers - Cuemath

    What is the Definition of Irrational Numbers in Math? Irrational numbers are a set of real numbers that cannot be expressed in the form of fractions or ratios made up of integers.

  4. Irrational Numbers: Definition & Examples - Statistics by Jim

    In mathematics, the word irrational means “not a ratio.” So irrational numbers are simply numbers that don’t come from dividing one whole number by another. Here are some famous examples of …

  5. Irrational Numbers - GeeksforGeeks

    Jan 23, 2026 · An irrational number is a real number that cannot be written as a simple fraction of the form p q qp , where p and q are integers and q ≠ 0. Some Examples: These are various irrational …

  6. Irrational number | Definition, Examples, & Facts | Britannica

    Jan 16, 2026 · Irrational number, any real number that cannot be expressed as the quotient of two integers—that is, p/q, where p and q are both integers. For example, there is no number among …

  7. Irrational Numbers - Science Notes and Projects

    Oct 15, 2022 · In mathematics, an irrational number is a number that cannot be expressed as a fraction or ratio of two integers. For example, there is no fraction that is the same as √ 2.

  8. What is an irrational number? Definition and examples

    Put simply, an irrational number is any real number (a positive or negative number, or 0) that can’t be written as a fraction. The fancier definition states that an irrational number can’t be expressed as a …

  9. BYJU'S Online learning Programs For K3, K10, K12, NEET, JEE, UPSC ...

    Irrational numbers are real numbers that cannot be represented as simple fractions. An irrational number cannot be expressed as a ratio, such as p/q, where p and q are integers, q≠0. It is a contradiction of …

  10. Irrational Number - from Wolfram MathWorld

    Irrational numbers have decimal expansions that neither terminate nor become periodic. Every transcendental number is irrational.

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