If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Decomposing fractions

3 videos
1 skill
In this tutorial, we'll see that a fraction can be broken up (or decomposed) into a bunch of other fractions. You might see the world in a completely different way after this. Common Core Standard: 4.NF.B.3b

Decomposing a fraction visually

VIDEO 4:59 minutes
It helps to visually understand what decomposing a fraction looks like. We're pretty sure you're going to like this.

Decomposing a mixed number

VIDEO 5:00 minutes
Decomposing mixed numbers is a pretty straightforward process. It's as simple as adding fractions with like denominators. Watch us do it!

Adding up fractions

VIDEO 1:36 minutes
We need the sum of all the fractions to equal the given fraction. Can you help us choose which ones to use?

Decomposing fractions