Mixed Numbers

Adding mixed numbers

100

1  1/2  +  2  1/4

3  3/4

200

3  2/5 + 2  3/4

6  3/20

300

5  3/8 + 7  5/10

12  35/40

or  12  7/8

400

3  1/2 + 2 4/15

5  23/30

500

2  5/12 + 3  2/7

5  59/84

Subtracting Mixed Numbers (easier)

100

2  3/4 - 1  1/2

1  1/4

200

4  2/3 - 2  5/9

2  1/9

300

5  8/9 -  1  2/3

4  2/9

400

3 4/5  -  1 2/4

2  6/20

or  2  3/10

500

4  8/9 - 2  2/12

2  14/36

or  2  7/18

Subtracting Mixed Numbers (harder)

100

2  1/2 - 1  3/4

3/4

200

4 1/4 - 1  2/3

2  7/12

300

5  1/5 - 3  5/6

1  11/30

400

4 1/8 - 1  2/3

2  11/24

500

10  2/12 - 5  6/8

4  10/24

or  4  5/12

Simplifying

100

Simplify 4/8

1/2

200

Simplify 3/15

1/5

300

Simplify 24/36

2/3

400

Simplify 36/72

1/2

500

Simplify 72/108

2/3

Fix the fraction

100

Turn this into a mixed number:

18/12

1 6/12

or 1 1/2

200

Turn this into a mixed number:

36/10

3  6/10

or  3  3/5

300

Correct this mixed number:

1  23/15

2  8/15

400

Correct this mixed number:

3  19/3

9 1/3

500

Correct this mixed number:

2  68/20

5  8/20

or  5  4/10

or  5  2/5