Multiplying

1
Section 4.3

• Multiplying Dividing Fractions

2
Multiplying Fractions Geometric View

• Using a diagram to multiply ½ and ¾

3
Multiplying Fractions

• To multiply fractions, we can multiply the
  numerators together and then the denominators.
  BUT, to make our answer in lowest terms we should
  first cancel any common factors between the
  numerators and denominators.
• Example

4
More Examples
5
Evaluating Expressions with Fractional Bases

• Examples
• Evaluate

6
Dividing Fractions Geometric View

• Using a diagram to divide ¾ by 1/8

7
Dividing Fractions

• To divide fractions, multiply the first by the
  reciprocal of the second.
• Examples

8
More Examples
9

• If x 7/8 and y -1/3, evaluate
• xy
• x/y
• Is -2/3 a solution of the equation (-1/2)x 1/3

10
Real-Life Application

• Cedar Point is an amusement park located in
  Sandusky, Ohio. Its collection of 68 rides is the
  largest in the world. Of the rides, 7/34 are
  roller coasters. How many roller coasters does
  the park have?