# Keyword Analysis & Research: rational numbers definition video

## Frequently Asked Questions

What are facts about rational numbers?

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number because it can be written as the fraction 8/1.

How do you classify rational numbers?

The integers include all whole numbers together with the “negatives” of the natural numbers. The rational numbers are numbers which can be expressed as a ratio of integers. That means if we can write a given number as a fraction where the numerator and denominator are both integers; then it is a rational number.

What are operations with rational numbers?

Operations with Rational Numbers continued: When dividing rational numbers, the numerator of the first fraction is multiplied by the denominator of the second fraction and this will yield the numerator of the result. Then the denominator of the first fraction is multiplied by the numerator of the second fraction.