ADDING AND SUBTRACTING FRACTIONS AND MIXED NUMBERS

Benchmarks0, 1/2, 1

100

3 7/12 + 2 5/6=

What is 6 1/2?

200

8/10 + 9/10=

What is about 2?

300

1 1/6 + 1 5/6=

What is about 3?

400

5 7/8 - 2 1/16=

What is about 4?

500

3 1/8 + 1 2/5=

What is about 4 1/2?

Adding Fractions with Unlike Denominators

100

2/9 + 2/3

8/9

200

5/12 + 1/8

13/24

300

2/8 + 5/12

2/3

400

5/8 + 5/6

1 11/24

500

1/4 + 1/8 + 1/4

5/8

Subtracting Fractions with Unlike Denominators

100

7/8 - 1/3

13/24

200

7/10 - 2/4

1/5

300

6/7 - 1/2

5/14

400

1/2 - 3/10

1/5

500

5/12 - 4/16

1/6

Adding Mixed Numbers

100

5 2/8 + 3 1/8

8 3/8

200

5 3/7 + 2 5/7

8 1/7

300

4 1/10 + 6 1/2

10 3/5

400

1 7/12 + 2 3/8

3 23/24

500

2 3/4 + 7 3/5

10 7/20

Subtracting Mixed Numbers

100

6 2/3 - 5 1/3

1 1/3

200

8 5/16 - 3 12/16

4 9/16

300

13 1/12 - 8 1/4

4 5/6

400

6 - 2 4/5

3 1/5

500

6 1/8 - 2 5/6

3 7 /24