6.4 Adding and Subtracting Mixed Numbers

1 / 5

# 6.4 Adding and Subtracting Mixed Numbers - PowerPoint PPT Presentation

6.4 Adding and Subtracting Mixed Numbers. Adding Mixed Numbers. Find the sum. Rewrite the fraction using LCD if denominators are different. 4 9. 1. 1 9. 2. Add or subtract the fractions , then the whole numbers. +. 3. 3. Simplify if possible. 5 9. 4.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about '6.4 Adding and Subtracting Mixed Numbers' - coby

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

### 6.4 Adding and Subtracting Mixed Numbers

Find the sum.

• Rewrite the fraction using LCD if denominators are different.

4

9

1

1

9

2. Add or subtract the fractions,

then the whole numbers.

+

3

3. Simplify if possible.

5

9

4

In this problem, the denominators are the same, so begin with step 2.

Let’s Do More Examples!

Find the sum.

7

8

4

9

4

1

X 2

X 3

1

4

2

1

3

3

5

3

=

=

+

+

8

9

X 2

X 3

1

8

9

8

7

9

9

=

1

4

1

8

10

Subtracting Mixed Numbers

Find the Difference.

X 6

3

4

18

7

8

17

20

=

10

3

1

24

X 6

1

8

1

8

1

6

X 4

3

5

X 4

12

4

=

4

=

1

1

-

-

-

24

20

X 4

X 4

6

8

3

4

5

20

1

4

14

24

7

12

=

6

=

2

=

3

4

7

12

6

2

Now You Try!

Find the sum or difference.

3

5

X 2

10

6

5

6

10

3

=

4

=

12

X 2

9

10

1

12

7

1

+

-

15

10

5

10

1

2

3

4

9

12

10

=

1

=

3

=

1

2

3

4

11

3