👉 In mathematics, an irrational number is a real or complex number that cannot be expressed as a ratio of two integers. These numbers are not rational because they do not have a finite decimal representation. For example: - 2 (the square root of 4) - π (pi) (3.14159...) These numbers are irrational because they cannot be expressed as a simple fraction, such as 1/2 or 3/6. They are considered "irr
