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Adding fractions

Adding fractions

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Adding fractions. Convert all mixed numbers into improper fractions Find lowest common denominator Add numerators and leave denominators the same Reduce to lowest terms. STEPS EXAMPLE. Subtracting fractions. - PowerPoint PPT Presentation

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Page 1: Adding fractions

Adding fractions

Page 2: Adding fractions

STEPS EXAMPLE

• Convert all mixed numbers into improper fractions

• Find lowest common denominator

• Add numerators and leave denominators the same

• Reduce to lowest terms

6

17

6

436

15

6

28

6

15

32

1426

32

3

24

Page 3: Adding fractions

Subtracting fractions

Page 4: Adding fractions

STEPS EXAMPLE

• Convert all mixed numbers into improper fractions

• Find lowest common denominator

• Subtract numerators, leave the denominators the same

• Reduce (if you have to)

20

920

55

20

64

54

511

54

1644

32

5

13

Page 5: Adding fractions

Multiplying fractions

Page 6: Adding fractions

STEPS EXAMPLE

- Convert all mixed numbers into improper fractions

- Multiply numerators

- Multiply denominators

- Reduce to lowest terms

32

63

32

1028

17

4

68

12

4

21

Page 7: Adding fractions

Dividing fractions

Page 8: Adding fractions

STEPS EXAMPLE

• Convert all mixed numbers into improper fractions

• Convert division into multiplication and recopy the second fraction upside down (multiply by reciprocal)

• Multiply Numerators

• Multiply denominators

• Reduce to lowest terms

64

201

64

8416

6

4

146

16

4

146

42

4

23

Page 9: Adding fractions

By Darci And Jon

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