Adding and Subtracting Fractions Teacher Resources

This video tutorial shows how to find the least common denominator and how to add several fractions. [1:48]

This video tutorial shows how to add whole number and fractions. [8:26]

This site explains how to add mixed numbers that have the same denominator, and includes games to practice this skill.

This video tutorial shows how to add a whole number and a fraction. It also shows how to work backward from the answer to the original problem. [3:51]

This QuickTime movie presents an explanation of the solution for a design problem that requires an extended response. The teacher and student discuss how to work through it together to find the solution. As you watch and listen to the...

This video tutorial shows how to subtract mixed numbers with different denominators. [2:17]

This video tutorial shows how to subtract mixed numbers from a whole number and a whole number from a mixed number. [2:26]

[Free Registration/Login may be required to access all resource tools.] CK12-Fractions with Different Denominators - Word Problems is a tutorial video

In this video tutorial, learn how easy it is to add up fractions once they have the same denominator. [0:50]

Video tutorial shows how to solve a fraction word problem about the length of a lizard. [2:28]

Sal Khan solves a fraction word problem about the length of a lizard. The fractions have common denominators.

Sal Khan solves a fraction word problem about spider eyes. The fractions have common denominators.

Sal evaluates 0.79 - 4/3 - 1/2 + 150%.

Sal rewrites a/b+c/d as a single rational expression. [2:44]

Demonstrates how to subtract two mixed numbers, where the fractions have the same denominator, by subtracting the whole numbers and then the fractions. [5:20]

Follow along with this tutorial to get some practice adding and subtracting matrices using decimals and fractions. [4:42]

Learn how to subtract fractions with like denominators by watching this video lesson. [2:25]

Sal Khan subtracts fractions with like denominators.

[Free Registration/Login may be required to access all resource tools.] Find the difference of fractions with like or common denominators.

Sal solves a fraction word problem about practicing piano. The fractions have common denominators.