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Least Common Denominator (LCD) The Easy Way!

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Uploaded by on Jun 30, 2011

This video explores finding Least Common Denominators (LCD) or Least Common Factor as part of adding fractions with different denominators. Fraction addition is described and two techniques for finding the LCD are described - first the "normal" hard way to find LCD is described and then the easy way is described as well.

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Education

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Standard YouTube License

  • likes, 2 dislikes

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Uploader Comments (csev)

  • Thanks for the comment - let me know what your students thought. I originally thought it would be much shorter - but I wanted to come at it from a few directions.

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  • Thanks. Failed test yesterday.

  • Subscribed!!

  • Thanks So Much!!!

  • Its been a long time for me, more that 30 years but it all came back and you made it simple and entertaining to understand. Thank you sooo much. Please keep it coming.

  • Wow, I completely forgot about this in high school, but remembered me working on it. I just spent 30 minutes watching videos on finding the LCD and this by far is the easiest way. THANK YOU SIR VERY MUCH.

  • one word...."GENIUS!!!!!!!!!!" I've spent a whole day watching different videos trying to understand LCD's and they got NOTHING on you. Finally at 10pm, Jackpot! Such a blessing!!!! Thank you!!! The most worthy 49 mins spent!

  • I did not think I would be able to stick with this for 49 min but I did and it was very enjoyable. I'm going to treat my 7th graders to it tomorrow!

  • Thank you for making this video. It helped me very much as I was totally lost. It was by far the most informative video I could find.

  • Thanks for making this video. Helped me teach my daughter a simpler way to find LCDs.

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