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OpenStudy (anonymous):
how can i Adding and Subtracting Rational Numbers with Unlike Denominators
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OpenStudy (sasogeek):
Do you know the LCM(lowest common multiple) method? I guess you can use that.
OpenStudy (anonymous):
thats what i need help with
OpenStudy (sasogeek):
what is the question?
OpenStudy (anonymous):
I need to learn how to add/sub rational number with unlike denominators
OpenStudy (anonymous):
This isn't something that can be taught over a few forum posts. You should read through ( http://www.themathpage.com/arith/add-fractions-subtract-fractions-1.htm) or watch ( http://www.ehow.com/video_4754307_add-subtract-fractions.html).
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