Monday, December 12, 2011

Adding with Unlike Denominators


1) Find the common denominator

LCM(lowest common Multiple) of 1/4 and 1/6 is 12
-Multiple: the product of any given number and natural number like 1,2,3
Multiples is just skip counting

eg: some multiples of 3 are 3, 6, 9, 12, 15, 18
Some multuples of 5 are 6, 12, 18 24
So the LCM(lowest common multiple) of 4 and 6 is 12

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3 comments:

  1. djessicaDecember 14, 2011 at 9:36 AM

    Great job! You really explained how to add fractions with unlike denominators.Good job.

    ReplyDelete
  2. callyssaDecember 14, 2011 at 9:41 AM

    Great job! I like how you did the, "What you do to the top, you do to the bottom."

    ReplyDelete
  3. fjasmineFebruary 9, 2012 at 3:00 PM

    Good job! I liked how you explained how to add unlike denominators! keep it up!

    ReplyDelete

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