{{ toc.signature }}
{{ toc.name }}
{{ stepNode.name }}
Proceed to next lesson
An error ocurred, try again later!
Chapter {{ article.chapter.number }}
{{ article.number }}.

# {{ article.displayTitle }}

{{ article.introSlideInfo.summary }}
{{ 'ml-btn-show-less' | message }} {{ 'ml-btn-show-more' | message }} expand_more
##### {{ 'ml-heading-abilities-covered' | message }}
{{ ability.description }}

#### {{ 'ml-heading-lesson-settings' | message }}

{{ 'ml-lesson-show-solutions' | message }}
{{ 'ml-lesson-show-hints' | message }}
 {{ 'ml-lesson-number-slides' | message : article.introSlideInfo.bblockCount}} {{ 'ml-lesson-number-exercises' | message : article.introSlideInfo.exerciseCount}} {{ 'ml-lesson-time-estimation' | message }}

# Fraction

Fractions are a specific type of ratio that compares a part to a whole. Fractions are rational numbers written in the form where the numerator is the part and the denominator is the whole.
There are many possible ways of reading fractions, but one universal method is saying over Fractions where is less than are called proper fractions. Fractions where is greater than or equal to are called improper fractions.
Fractions are also another way to write a division of the numerator by the denominator.
A fraction like can be simplified to or just It is important to keep in mind that the denominator of a fraction can never be equal to because the quotient of division by is always undefined.