Adding/Subtracting Fractions

Simplifying

100

Simplify: 

54/3

18

200

Simplify: 

18/36

1/2

300

Simplify:  

48/64

3/4

400

Simplify: 

21/26

21/26

500

Simplify to a mixed number: 

184/54

3 11/27

Adding Fractions

100

When adding fractions, what do you do with the numerator?

Add the numerator

200

1/4 + 1/4

2/4

300

1/2 + 1/4

3/4

400

2/5 + 2/5

4/5

500

2/9 + 1/3

5/9

Subtracting Fractions

100

When subtracting fractions, what do you do with the denominators?

Keep the denominator the same

200

3/4 - 1/4

2/4

300

5/8 - 2/8

3/8

400

5/6 - 2/3

1/6

500

9/10 - 1/5

7/10

Adding mixed numbers

100

1 1/5 + 2/5

1 3/5

200

2 1/4 + 1 1/4

3 2/4

300

4 1/4 + 3 1/2

7 3/4

400

8 1/5 + 2 3/10

10 5/10

500

3 3/5 + 6 1/4

9 17/20

Subtracting mixed numbers

100

2 4/6 - 1 3/6

1 1/6

200

7 3/4 - 5 2/4

2 1/4

300

6 2/4 - 1 1/4

5 1/4

400

8 3/5 - 2 3/10

6 3/10

500

9 9/10 - 3 3/20

6 15/20