Adding and Subtracting Mixed Numbers With Like Denominators

Adding Mixed Numbers

100

2 3/8 + 5 1/8 =

7 4/8 or 7 1/2

200

8 2/4 + 2 1/4 =

10 3/4

300

3 5/8 + 2 1/8 =

5 6/8 or 5 3/4

400

8 1/2 + 8 1/2 =

16 2/2 or 17

500

5 1/6 + 2 4/6 =

7 5/6

Subtracting Mixed Numbers

100

10 8/9 - 5 6/9 =

5 2/9

200

8 6/8 - 5 1/8 =

3 5/8

300

8 5/7 - 5 4/7 =

3 1/7

400

8 2/4 - 5 3/4 =

2 3/4

500

9 1/5 - 6 3/5 =

2 3/5

Adding or Subtracting Mixed Number Word Problems

100

Adam bought a box of fruit that weighed 6 3⁄8 kilograms. If he bought a second box that weighed 7 2⁄8 kilograms, what is the combined weight of both boxes?

The combined weight of both boxes was 13 5/8 kilograms.

200

Javier is trying to fit two boxes into the trunk of his car. One box is 2 1/3 feet tall and the other is 4 2/3 feet tall. Stacked on each other, what is the combined height of the two boxes? Draw a picture to justify your answer

The answer is 6 3/3 or 7 feet tall

300

On Monday Bianca spent 4 4⁄8 hours studying. On Tuesday she spent another 3 1⁄8 hours studying. What is the combined length of time she spent studying?

Bianca spent 7 5/8 hours studying

400

Tiffany and her friend seeing who could pick up more bags of cans. Tiffany picked up 5 5⁄8 bags and her friend picked up 4 1⁄8 bags. How much more did Tiffany pick up, then her friend?

Tiffany picked up 1 4/8 or 1 1/2 bags more

500

In two months Ms. Wilson's class recycled 8 6⁄10 pounds of paper. If they recycled 5 4⁄10 pounds the first month, how much did they recycle the second month?

They recycled 3 2/10 or 3 1/5 pounds of paper

Rename Fractions

100

5/5 =

1

200

7/4 =

1 3/4

300

6/2 =

3

400

16/3

5 and 1/3

500

13/2

6 and 1/2