A** real number** is a value that represents a quantity along a number line which can be positive numbers, negative numbers, fractions or zero. **Real numbers are represented by R.**

Real numbers can be categorized into two classes as:

Real numbers can be thought of as points on an infinitely long line called the numbers line or real line, where the points corresponding to integers are equally spaced. Any real number can be determined by a possibly infinite decimal representation, where each consecutive digit is measured in units one tenth the size of the previous one.

Rational Numbers and Irrational Numbers together forms **real numbers.**

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