# Rational Numbers Examples And Definition

**These numbers are something known as rational numbers.**

**Rational numbers examples and definition**.
The square root of 2, the cube root of 5, pi, e, pi/2.
√81 is a rational number, as it can be simplified to 9 and can be expressed as 9/1.
Number 9 can be written as 9/1 where 9 and 1 both are integers.

For example all the numbers below are rational: For example all the numbers below are rational: In summary, this is a basic overview of the number classification system, as you move to advanced math, you will encounter complex numbers.

It can be written as a fraction in which the the top number (numerator) is divided by the bottom number (denominator). Learn all about them in this lesson! Irrational numbers have to be left in their root form and cannot be simplified like 2, 3, 5, 7, 11 etc.

As the rational number is represented in the form p/q, which is a fraction, then the multiplicative inverse of the rational number is the reciprocal of the given fraction. 1 people chose this as the best definition of rational: A rational number is a number determined by the ratio of some integer p to some nonzero natural number q.

In other words, r(x) is a. In this chapter, we will introduce you to a new type of body of numbers, that is, a body of rational numbers. Below are some examples of irrational and rational numbers.

But there's at least one, so that gives you an idea that you can't really say that there are fewer irrational numbers than rational numbers. A rational function is a function that is a fraction and has the property that both its numerator and denominator are polynomials. When expressed as a decimal number, rational numbers will sometimes have the last digit recurring indefinitely.