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.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

You don't necessarily have to find the least common denominator to get the correct result, you can just find a common denominator. But the math will be easier ...

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

Master this simple trick for adding fractions with different or unlike denominators.

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.wikihow.com/Add-Fractions-With-Unlike-Denominators

This can become even more complex when the fractions have different denominators, or bottom numbers. Still, adding fractions with unlike denominators is ...

www.varsitytutors.com/hotmath/hotmath_help/topics/adding-fractions-unlike-denominators

To do this, you need to find the least common multiple (LCM) of the two denominators. To add fractions with unlike denominators, rename the fractions with a ...

learnzillion.com/lesson_plans/6861-add-fractions-with-unlike-denominators-by-creating-area-models

In this lesson you will learn how to add fractions with unlike denominators by creating area models.