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Multiplying Fractions. Fraction with a Fraction. 1. Multiply numerators 2. multiply denominators 3. reduce. Try Some!. = 8 35. x. 4 2 7 5. = 3 = 1 90 30. 2. 1 3 9 10. x. = 6 = 3 32 16. 3 . 6 1 8 4. x.

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Presentation Transcript
fraction with a fraction
Fraction with a Fraction

1. Multiply numerators

2. multiply denominators

3. reduce

try some
Try Some!
  • = 8

35

x

  • 42

7 5

  • = 3 = 1

90 30

  • 2. 13

9 10

x

  • = 6 = 3

32 16

  • 3. 61

8 4

x

multiplying fractions and whole numbers
Multiplying Fractions and Whole Numbers

1. Put a 1 under the whole number

2. multiply numerators

3. multiply denominators

4. Reduce or make into mixed number

try some1
Try Some!

5

  • = 15

4

  • = 33

4

x

  • 3

4

1

8

  • = 16

7

  • = 22

7

  • 2. 2

7

x

1

2

  • = 18

12

  • = 16 = 1 ½

12

  • 3. 9

12

x

1

multiplying fractions and mixed numbers
Multiplying Fractions and Mixed Numbers

1. Change mixed number into an improper fraction

2. multiply numerator

3. multiply denominator

4. Reduce or make into mixed number

try some2
Try Some!
  • 3

4

  • 40

7

8

28

2

7

5

5 =

7

x

  • = 120

28

4

4

x

  • 3

4

  • 1

8

  • 56

9

  • 2. 1

8

6

2 =

9

x

  • = 56

72

7

9

x

  • 10

13

  • 7

3

31

39

  • 3.10

13

2

1 =

3

x

  • = 70

39

1

x

multiplying mixed numbers
Multiplying Mixed Numbers

1. Change BOTH mixed numbers into an improper fraction

2. multiply numerator

3. multiply denominator

4. Reduce or make into mixed number

try some3
Try Some!

1.

  • 19

5

  • 23

8

37

40

4

5

2

7 =

8

x

  • = 437

40

10

3

x

2.

  • 24

15

  • 29

6

9

15

4

5 =

6

x

  • = 696

80

56

80

7

10

1

8

8

x

44

2

24

3.

  • 23

3

  • 46

8

2

3

5

6 =

8

x

  • = 1058

24

7

x

1

12

44

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