# What are Rational and Irrational Numbers?

When we deal Rational and Irrational Numbers, the first question arise in our mind is that  What are Rational and Irrational Numbers? These are the type of numbers coming in number system.

Let us go through the first part of question what are Rational numbers?
Rational numbers are those numbers which can be represented as fraction means having numerator and denominator and both in Integer form.

Let’s take some examples of Rational Numbers:

1. $\frac{2}{3}$ is a rational number
2. 5 is a rational number because it has 1 in its denominator and can be written as $\frac{5}{1}$.

Now, the next part of the same question is What are irrational Numbers?
Irrational numbers are those which can be represented as a fraction i.e. numbers except rational numbers. They can only be represented as decimal number. An irrational numbers has non- repeating and endless numbers after the decimal.
Let’s have a look on some examples of these:

$\pi$ = 3.141592…..

$\sqrt{2}$ = 1.414213…….

Generally, we do not use irrational numbers in our daily life but they do exist on the number line somewhere between 0 and 1. There exists infinite number of irrational numbers. Usually irrational numbers are arises from the Square root operations.