If you're seeing this message, it means we're having trouble loading external resources on our website.

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

Lesson 4: Mixed numbers

# Mixed numbers and improper fractions review

Review how to rewrite mixed numbers as improper fractions and improper fractions as mixed numbers.  Then, try some practice problems.

## What is an improper fraction?

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.
Below are examples of improper fractions:
start fraction, 9, divided by, 4, end fraction, comma, start fraction, 5, divided by, 5, end fraction, comma, start fraction, 7, divided by, 3, end fraction

## What is a mixed number?

A mixed number is a number consisting of a whole number and a proper fraction.
Below are examples of mixed numbers:
4, start fraction, 1, divided by, 2, end fraction, comma, 1, start fraction, 3, divided by, 8, end fraction, comma, 12, start fraction, 5, divided by, 6, end fraction

## Rewriting a mixed number as an improper fraction

Rewrite 3, start fraction, 4, divided by, 5, end fraction as an improper fraction.
3, start fraction, 4, divided by, 5, end fraction, equals, start color #11accd, 3, end color #11accd, plus, start color #1fab54, start fraction, 4, divided by, 5, end fraction, end color #1fab54
empty space, equals, start color #11accd, 1, end color #11accd, plus, start color #11accd, 1, end color #11accd, plus, start color #11accd, 1, end color #11accd, plus, start color #1fab54, start fraction, 4, divided by, 5, end fraction, end color #1fab54
empty space, equals, start color #11accd, start fraction, 5, divided by, 5, end fraction, end color #11accd, plus, start color #11accd, start fraction, 5, divided by, 5, end fraction, end color #11accd, plus, start color #11accd, start fraction, 5, divided by, 5, end fraction, end color #11accd, plus, start color #1fab54, start fraction, 4, divided by, 5, end fraction, end color #1fab54
empty space, equals, start fraction, start color #11accd, 5, end color #11accd, plus, start color #11accd, 5, end color #11accd, plus, start color #11accd, 5, end color #11accd, plus, start color #1fab54, 4, end color #1fab54, divided by, 5, end fraction
3, start fraction, 4, divided by, 5, end fraction, equals, start fraction, 19, divided by, 5, end fraction
Problem 1A
• Current
Rewrite as an improper fraction.
5, start fraction, 1, divided by, 2, end fraction, equals

Want to try more problems like this? Check out this exercise.

## Rewriting an improper fraction as a mixed number

Rewrite start fraction, 10, divided by, 3, end fraction as a mixed number.
start fraction, 3, divided by, 3, end fraction, equals, 1, start text, space, w, h, o, l, e, end text
So, let's see how many wholes we can get out of start fraction, 10, divided by, 3, end fraction.
start fraction, 10, divided by, 3, end fraction, equals, start fraction, start color #11accd, 3, end color #11accd, plus, start color #11accd, 3, end color #11accd, plus, start color #11accd, 3, end color #11accd, plus, start color #1fab54, 1, end color #1fab54, divided by, 3, end fraction
empty space, equals, start color #11accd, start fraction, 3, divided by, 3, end fraction, end color #11accd, plus, start color #11accd, start fraction, 3, divided by, 3, end fraction, end color #11accd, plus, start color #11accd, start fraction, 3, divided by, 3, end fraction, end color #11accd, plus, start color #1fab54, start fraction, 1, divided by, 3, end fraction, end color #1fab54
empty space, equals, start color #11accd, 1, end color #11accd, plus, start color #11accd, 1, end color #11accd, plus, start color #11accd, 1, end color #11accd, plus, start color #1fab54, start fraction, 1, divided by, 3, end fraction, end color #1fab54
start fraction, 10, divided by, 3, end fraction, equals, start color #11accd, 3, end color #11accd, start color #1fab54, start fraction, 1, divided by, 3, end fraction, end color #1fab54