www.khanacademy.org/math/in-seventh-grade-math/rational-numbers/copy-of-addition-subtraction-fractions/v/adding-fractions-with-unlike-denominators

To solve this problem, we need to find the least common multiple to get at the common denominator. Can you help? We bet you can!

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

Practice adding fractions that have different denominators.

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

Convert 1/9 to 8/72. You may ask how you do it? I multiplied 8 to both the denominator and numerator. Convert 7/8 to 63/72 by multiplying by 9. It's the least ...

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

How to Add and Subtract Fractions When the Denominators are Different. This is a bit tricky, but you'll think it's easy once you get used to it! Let's try this: 1/2 + 1/3.

www.ixl.com/math/grade-5/add-fractions-with-unlike-denominators

Fun math practice! Improve your skills with free problems in 'Add fractions with unlike denominators' and thousands of other practice lessons.

www.helpwithfractions.com/adding-fractions-different-denominators

Nov 3, 2014 ... Master this simple trick for adding fractions with different or unlike denominators.

www.mathsisfun.com/fractions_addition.html

There are 3 Simple Steps to add fractions: ... Add the top numbers and put the answer over the same denominator: ... Step 1: The bottom numbers are different.

learnzillion.com/lesson_plans/8178-add-and-subtract-fractions-with-unlike-denominators

In this lesson you will learn how to add and subtract fractions with unlike denominators.