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# Adding Fractions - PowerPoint PPT Presentation

Adding Fractions. Adding Like Fractions. 1. Add numerators 2. keep denominators the same 3. Reduce or make mixed number. Try Some!. = 6 7. +. 1 5. ÷ 2 ÷ 2. 2. 9 3 10 10. = 12 10. = 6 5. 1. +. 1 2. = 12 8. ÷ 4 ÷ 4. = 3 2.

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Presentation Transcript

2. keep denominators the same

3. Reduce or make mixed number

Try Some!

= 6

7

+

1

5

÷ 2

• ÷ 2
• 2. 93

10 10

= 12

10

= 6

5

1

+

1

2

= 12

8

÷ 4

• ÷ 4

= 3

2

1

• 3. 66

8 8

+

1. 42

7 7

1. find common denominator (stack)

2. make new fractions

4. keep denominator the same

5. Reduce or make into mixed number

Try Some!

2. 23

3 4

+

+

4

7

2

14

2

3

3

4

8

14

2

14

8

12

9

12

x 2 x 2

x 4 x 4

=

=

x 3 x 3

+

=

+

=

5

7

5

12

10

14

17

12

1

÷ 2 ÷ 2

1. 42

7 14

1. find common denominator (stack)

2. make new fractions

4. keep denominator the same

5. add whole number to fraction

6. Reduce or make into mixed number

Try Some!

4

2. 31

4 6

3

+

+

3

4

1

6

3

2

3

1

6

9

12

2

12

3

4

6

1

6

x 3x 3

x 2 x 2

=

=

4

+

4

x 2x 2

+

=

=

11

12

5

6

4

3

1. 21

3 6

1. Stack fractions and Add whole numbers

2. find common denominator if necessary

3. make new fractions

5. Reduce or make into mixed number

Try Some!

1

4

2. 31

4 6

3

2

+

+

1

2

3

1

5

3

2

3

1

6

10

15

3

15

3

4

6

1

6

x 5x 5

1

x 2 x 2

=

=

4

2

2

4

x 3x 3

=

+

=

+

13

15

5

5

5

6

1. 21

3 6