Dividing Fractions - Download as PowerPoint

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					Dividing Fractions
    Lesson 7.4
     To Divide Fractions:
Rewrite the first fraction.
Change the division sign to a
multiplication sign.
Flip the second fraction upside down.
Multiply.
            Reciprocal
When you flip the second fraction, you
are writing that fraction’s reciprocal.


3                       5
5                       3
           Example 1

1   1
  ÷
3   2
Rewrite:

1 x 2   2
    1 =
3       3
               Example 2
4          4
    ÷
5          9
Rewrite:

14   9 = 9                         4
 5
   x
     4 1 5
                           =   1   5
               Example 3

 12   ÷    3
  1        5
Rewrite:

4 12 x 5 = 20 = 20
  1    31  1
           Example 4

1 ÷ 2
6   1
Rewrite:


 1 x 1   1
       =
 6   2   12
Homework Time

				
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posted:8/9/2012
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