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Addition and Subtraction of Fractions

- By Charatie Waldrep

This is how its done

- 2 1 3 or 1
- 3 3 3

How to subtract

- 2 - 1 1
- 3 3 3

- 2 1 3 or 1
- 3 3 3
- Add the numerators only. Keep the dominator the

same. - 2 1 3
- 3 3 3

- Subtract the numerators and keep the denominator

the same.

2 - 1 1 3 3 3

If

- 11/3 - 2/3
- You would think to subtract the numerators but

you cannot - 1/3 - 2/3 ?
- Then you must regroup.4/3 is the same as

1 1/3. - 4/3 - 2/3 1/3

Regrouping

- In order to regroup, you must multiply the whole

number by the denominator and then add the

numerator. - 1 1/3 1 x 3 3
- 3 1 4
- Then put the denominator under what the result

is. 4/3 This is also known as around

the world multiplying.

Quiz Time

- 1. ¼ ¾ ???
- 2/3

4/4

4/3

1/2

Next

- 2. 11/3 - 2/3 ???
- 6/3 1/3
- 2/3 3/3

Next

- 2/5 1/5 ???
- 1/5 1 1/3
- 4/5 3/5

Next

What is regrouping with fractions also known as?

- Using fractions in everyday life
- Around the world multiplying
- Butterfly multiplying
- Long division

Works Cited

- Library Clip Art http//www.jefftech.net/library3

03.html - Kids Domain http//www.kidsdomain.com/clip/index.

html - Absolute Web Graphics Archive http//www.grsites.

com/webgraphics/ - Clipart Backgrounds http//www.edselect.com/cli

part.htm

Continued Works Cited

- Shelby County Schools - sample web graphics

http//www.shelbyed.k12.al.us/webintr2awm.html - Teacher Files http//www.teacherfiles.com/clip_ar

t.htm - The Teachers Parking Lothttp//www.fortunecity.c

om/skyscraper/dos/1232/graphiclinks.html

The End

Correct

Sorry, try again!

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