A rational number, is a number that can be shown as a fraction with integers on the numerator and on the denominator, for example:



Is an example of a rational number.


Now this may seem contradictory but integers belong to the family of rational numbers because, although they aren’t shown that way normally, an integer can be shown as a fraction when it is shown as “divided by 1”



I’m only going to mention three more types of numbers; I want to keep this particular part simple. We have even numbers and odd numbers, the former are the ones that are divisible by 2 without there being anything left over and of course the odd numbers are the ones that aren’t!