LCD

I need a reveiw on how to use the LCD least common denominator
to add and subtract

asked by ALi
  1. Thank you for using the Jiskha Homework Help Forum. Hopefully, this will help:

    http://www.helpwithfractions.com/least-common-denominator.html

    posted by SraJMcGin
  2. P.S. Something here may also help:

    1. http://www.lessontutor.com/sv1.html

    2. http://www.math.com/school/subject1/lessons/S1U4L3DP.html

    posted by SraJMcGin
  3. Is 6/28 the lowest common denominator or 3/7

    posted by Serena

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