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Multiplying & Dividing Fractions

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Presentation on theme: "Multiplying & Dividing Fractions"— Presentation transcript:

1 Multiplying & Dividing Fractions

2 Multiplying Fractions
Multiplying fractions is easy. Top x top = top Bottom x bottom = bottom Shoot straight!

3 Multiplying by a whole number
Make your whole number look like a fraction by putting it over 1. Top x top = top Bottom x bottom = bottom Shoot straight!

4 Multiplying Mixed Numbers
Make your mixed numbers into improper fractions first.

5 Canceling Canceling is a special tool reserved just for fractions .
Any factor anywhere on the top can be canceled with a matching factor on the bottom.

6 The magic of “OF” You can do many fraction problems in your head if you can remember that ‘multiply’ can be replaced by the word ‘of’ .

7 Dividing Fractions Dividing fractions is just doin’ the flip!
Flip the fraction after the Multiply

8 Remember: Cancel if you can. Multiply straight across.
Flip when you divide. Change whole numbers or mixed number to improper fractions.


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