Wednesday, March 3, 2010

Subtracting Fractions with Unlike Denominators

* You must find a common denominator or LCD & use equivalent fractions.

eg. 3/4 - 1/2 = 1/4
solution :

3/4 = 3/4
-
1/2 = 2/4
___
1/4

2/3 - 1/4 = 5/12
solution :

2/3 = 8/12
-
1/4 = 3/12
____
5/12

3/4 - 2/4 = 1/4
solution :

3/4
-
2/4
____
1/4

8/12 - 3/12 = 5/12
solution :

8/12
-
3/12
_____
5/12

3/4 - 1/8 = 5/8
solution :

3/4 = 6/8
-
1/8 = 1/8
_____
5/8

* Unit Fractions : a fraction with a numerator of 1.

eg. 1/2, 1/3, 1/10, 1/100, 1/anything.

http://www.wisc-online.com/objects/ViewObject.aspx?ID=abm6007

25 comments:

  1. Great job Diorella, I really liked it how you put different colors for the font, Also Next time try to Make a picture or maybe find a video to explain more, other than that you did a great job :)

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  2. Nice post Diorella! I liked the way you used different colours and font.Next time try to add videos and pictures. Other than that you did a magnificent job ;D

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  3. Good Job Diorella! Nice colour patterns. Keep it up

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  4. GREAT POST DIORELLA! I liked how you change fonts and added a link. However, try to add some pictures and videos. Besides that you did a fantastic job. KEEP IT UP!:)

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  5. GOOD JOB DIORELLA! I like the colours you used for your post. Next time try to add more videos and some pictures. Other than that, you did a FABULOUS JOB!
    KEEP IT UP! ;)

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  6. Very colourful page and I really liked the website that you recommended.

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  7. Great job Diorella! I liked how you added in a link. Although, you could've added in a video. Either than that, you did a great job!

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  8. Great job Diorella keep it up

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  9. Good Job Diorella!! I like the colours and you should have put pictures or videos so we can learn more about it. Overall I like it! Keep up the Goddwork! ^_^

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  10. good job Diorella keep it up!!!!

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  11. Good job Diorella! I like how you put a link. Next time try adding a video.

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  12. good job diorella keep it up!!!

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  13. Good Job!!I like the colours you used for your post. Next time you should have put some pictures and videos. keep up the good work.

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  14. Good job Diorella! I liked how you added in a link. And I like the colours you used very colourful. (: But you could've added a video.
    But overall you did a neat job.

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  15. Good Job Diorella!
    I liked how you used different colors for each subject, also the link that you added.
    keep it up! (:

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  16. This comment has been removed by the author.

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  17. Good job Diorella. Like the colors, keep it up.

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  18. Very colourful page and I really liked the website that you recommended.

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  19. Good job Diorella (: I lke how you used alot of color, keep it up !

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  20. Good job Diorella, next time add a video.Great website to recommend.

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  21. Good Job Diorella, I liked how you added a link and try to add pictures next time. Keep it up!

    ReplyDelete