The difference between Irrational number and Rational number

When used as nouns, irrational number means any real number that cannot be expressed as a ratio of two integers, whereas rational number means a number that can be expressed as the ratio of two integers.


check bellow for the other definitions of Irrational number and Rational number

  1. Irrational number as a noun (mathematics):

    Any real number that cannot be expressed as a ratio of two integers.

    Examples:

    "The square root of a positive integer is an [[irrational number]] unless the positive integer is a perfect square, in which case the square root will also be a positive integer."

  1. Rational number as a noun (mathematics):

    A number that can be expressed as the ratio of two integers.