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OpenStudy (anonymous):
how do you add fractions with unlike denominators?
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OpenStudy (anonymous):
take the l.c.m.
OpenStudy (anonymous):
You find a common denominator that is a multiple of the 'unlike' denominators. Then you convert each fraction to use that denominator.
OpenStudy (anonymous):
This video explains it pretty well. If you have further questions feel free to ask. http://www.khanacademy.org/video/adding-fractions-with-unlike-denominators?playlist=Developmental%20Math
OpenStudy (anonymous):
if you have an example I would be willing to help you work through it
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