To multiply fractions, multiply their numerators and then multiply their denominators. Reduce! Multiplying Rational Numbers (Fractions) For example, Or.

To multiply fractions, multiply their numerators and then multiply their denominators. Reduce!

Multiplying Rational Numbers (Fractions)

For example,

3

2

6

5

36

25

9

5

18

10

Or reduce before you multiply,

3

2

6

5 1

3

33

15

9

5

To multiply mixed numbers, change them to improper fractions first. Then multiply.

Multiplying Mixed Numbers

For example,

5

31

6

52

53

417

15

84

5

8

6

17 4

3

15

68

Evaluate if: 3 2 7, 2 ,8 9 10

x y z

.)5a x

358

5 3

1 8

15

8

.)b yz2 729 10

20 7

9 10

1

-2

14

9

The Willis Tower in Chicago is about 1450 feet tall. The Empire State Building in New York is about 4/5 as tall.

About how tall is the Empire State Building?

1450 4

1 5

290

1

1,160 feet

Conversions

• Given the larger unit of measure and need to find the small unit of measure you multiply

Complete Each Conversion3

?4

ounces pound

1 16pound ounces

16 3

1 4

1

4

12ounces

5?

6foot inches

1 12foot inches5 12

6 1

1

2

10inches

Homework

Page 110 (16-48) even