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To add or subtract fractions, they must have the same denominator. If they do not, make the least common multiple of all of the denominators the new denominator. After adding or subtracting, reduce your answer.
When giving the fractions like denominators, whatever number you multiply the old denominator of a fraction by, you must also multiply it by the numerator.

www.khanacademy.org/math/in-seventh-grade-math/rational-numbers/copy-of-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/e/adding_fractions

Practice adding fractions that have different denominators.

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

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

.ask.com/youtube?q=Adding+Fractions+with+Different+Denominators&v=lKiR4BBt6TE
Sep 21, 2011 ... Add Fractions! Printable worksheet here: https://docs.google.com/document/d/17t -zMu-Y23tlErj9vzD7KKITwLHNyyuCVdXkdZdxgtI/edit This ...

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.

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.

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.

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 ...