How to add fractions that have different denominators | Fractions | Pre-Algebra | Khan Academy
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How to add fractions that have different denominators | Fractions | Pre-Algebra | Khan Academy
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! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign ...
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