en.wikipedia.org/wiki/Fraction_(mathematics)

A fraction (from Latin fractus, "broken") represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction ...

www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic

Learn how to do basic arithmetic with fractions (add, subtract, and multiply). Also learn about mixed numbers and equivalent fractions, and use this knowledge to ...

www.khanacademy.org/math/arithmetic/fraction-arithmetic

In this topic, we will explore fractions conceptually and add, subtract, multiply, and divide fractions.

www.mathsisfun.com/fractions.html

It is usually best to show an answer using the simplest fraction ( 1/2 in this case ). That is called Simplifying, or Reducing the Fraction ...

www.gcflearnfree.org/fractions

Fractions. In this free Fractions tutorial, you'll learn how to add, subtract, multiply, divide, and convert fractions. Understand everything there is to know about ...

www.brainpop.com/math/numbersandoperations/fractions

Learning how to solve math problems involving fractions is easy if you understand that numerators and denominators represent parts of a whole.

www.ixl.com/math/fractions

Here is a list of all of the skills that cover fractions! These skills are organized by grade, and you can move your mouse over any skill name to preview the skill.

www.calculator.net/fraction-calculator.html

Below are multiple fraction calculators capable of addition, subtraction, multiplication, division, simplification, and conversion between fractions and decimals.

www.kidsolr.com/math/fractions.html

KidsOLR presents an easy to use fraction tutorial. Practice equivalent fractions, reducing fractions, improper and mixed fractions, and the multiplication, division, ...