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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 …

  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. Irrational Numbers- Definition, Examples, Symbol, Properties

    Jul 23, 2025 · Irrational numbers are real numbers that cannot be expressed as fractions. Learn about their definition, difference between rational and irrational numbers, properties, and …

  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 …

  5. What is an irrational number? - DoodleLearning

    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 …

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

    Nov 21, 2025 · 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 …

  7. Irrational Numbers - Definition, Examples | Rational and

    Irrational numbers are those real numbers that cannot be represented in the form of a ratio. In other words, those real numbers that are not rational numbers are known as irrational …

  8. Irrational Numbers - Definition, Examples, and Properties

    However, an irrational number is a type of real number that cannot be written as a fraction. Mathematicians have tried to find fractions that are close approximations for some irrational …

  9. What is an Irrational Number? – Math Glossary | MathWithFun

    What is an Irrational Number? An Irrational Number is a number that goes on forever and never repeats. You can’t write it as a simple fraction like 1/2 or 3/4. It’s wild, endless, and full of …

  10. Irrational Number Meaning, Real Number Facts & Examples

    An irrational number is a number that cannot be written as a simple fraction (a/b, where a and b are integers). Its decimal form goes on forever and never repeats.