www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-fractions-with-unlike-denominators

How to add fractions that have different denominators. AboutTranscript. To solve this problem, we need to find the least common multiple to get at the common ...

www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/v/adding-small-fractions-with-unlike-denominators

The denominator of a fraction tells you the "size" of 1 piece, or how many pieces make up 1 whole unit. To add/subtract fractions, we need to have a common ...

www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/e/adding_fractions

Practice adding fractions that have different denominators.

www.mathsisfun.com/fractions_addition.html

There are 3 Simple Steps to add fractions: Step 1: Make sure the bottom numbers (the denominators) are the same; Step 2: Add the top numbers (the ...

www.coolmath.com/prealgebra/01-fractions/fractions-12-adding-subtracting-different-denominators-01

This prealgebra lesson explains how to add and subtract fractions when the denominators are different.

www.helpingwithmath.com/by_subject/fractions/fra_adding.htm

Methods and tips showing how to add fractions with worksheets for practice.

www.webmath.com/addfract.html

This page will show you how to add two fractions together. Fill in one problem type, that matches the fraction addition problem you are trying to do, then click ...