Download
fraction addition n.
Skip this Video
Loading SlideShow in 5 Seconds..
Fraction Addition PowerPoint Presentation
Download Presentation
Fraction Addition

Fraction Addition

201 Views Download Presentation
Download Presentation

Fraction Addition

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

  1. Fraction Addition

  2. ¾ + ¾ • Count the pieces

  3. Try some • 4/5 + 3/5

  4. Compare

  5. Try some

  6. Apples and Oranges • The things you add have to be the same size

  7. Common Denominator

  8. Common Denominator • A number all original denominators divide into evenly • 12 is a common denominator because 3 and 4 both divide 12 evenly.

  9. Least Common Denominator • To find the least common denominator • Write the times table list for each denominator • The smallest number that is in all rows is the least common denominator

  10. Least Common Denominator • To find the least common denominator • Write the times table list for each denominator • The smallest number that is in all rows is the least common denominator

  11. Try One • Find the common denominator for these fractions • A) 2/3 + 3/5 • B)¾ + 7/12 • C)2/5 + 3/8 + 7/10

  12. Addition

  13. Addition • Find a common denominator • Raise to the denominator • Add • Simplify

  14. Addition • Find a common denominator • Raise to the denominator • Add • Simplify

  15. Addition • Find a common denominator • Raise to the denominator • Add • Simplify

  16. Try one

  17. TRANSITIONAL PAGE

  18. Backdrops: - These are full sized backdrops, just scale them up! - Can be Copy-Pasted out of Templates for use anywhere! www.animationfactory.com