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# Algebraic Fractions - PowerPoint PPT Presentation

Algebraic Fractions. Simplifying. What is to be learned?. What an algebraic fraction is How to simplify algebraic fractions. Fractions with Letters and Numbers Follow the same rules as normal fractions. Simplifying Normal Fractions. 6 9 Must divide top and bottom by the same. ÷ 3.

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## PowerPoint Slideshow about 'Algebraic Fractions' - bonner

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### Algebraic Fractions

Simplifying

• What an algebraic fraction is

• How to simplify algebraic fractions

Follow the same rules as normal fractions

6

9

Must divide top and bottom by the same

÷ 3

= 2

3

÷ 3

6 X h

= 6h

6h ÷ h

= 6

5

t

÷ t

= 5

a

b

4

÷ b

= 4a

7mp

÷mp

= 7

4h

ah

4h

ah

h is common factor

÷ h

= 4

÷ h

a

y2 ÷ y

y X y ÷ y

= y

dt is highest common factor

5dt2

3dt

÷ dt

= 5t

÷ dt

3

15abg

10a2b

÷ 5ab

= 3g

÷ 5ab

2a

= 7

7a

4am

4m

3mp

= p

a

3am

3

9r2

= 3r

6r

2

2

3

3de

2y

2

• Fractions with letters and numbers

• Same rules as normal fractions

Dividing by letters

5a ÷ a

7t2 ÷ t

= 5

= 7t

3t is highest common factor

9pt2

6dt

÷ 3t

= 3pt

÷ 3t

2d

Cancelling

4

8r2

(or just 4r)

= 4r

2r

1

1