👉 In mathematics, an irrational number is a real number that cannot be expressed as a simple fraction p/q where p and q are integers and q ≠ 0. This means that it can't be written as a ratio of two whole numbers in its decimal form. For example: - The square root of 2 (the square root of 4) is an irrational number because it cannot be expressed as a simple fraction p/q where p and q are integers and q ≠ 0. - The
