Fraction Operations

Adding Fractions

100

2/3 + 1/3 = ?

2/3 + 1/3 = 1

200

5/6 + 3/6 = ?

5/6 + 3/6 = 8/6 or 1 1/3

300

1/2 + 2/3 = ?

1/2 + 2/3 = 7/6

400

3/12 + 1/4 = ?

3/12 + 1/4 = 6/12 or 1/2

500

2/6 + 4/7 = ?

2/6 + 4/7 = 38/42 or 19/21

Subtracting Fractions

100

2/3 - 1/3 = ?

2/3 - 1/3 = 1/3

200

5/6 - 3/6 = ?

5/6 - 3/6 = 2/6 or 1/3

300

2/3 - 1/2 = ?

2/3 - 1/2 = 1/6

400

1/4 - 3/12 = ? 

1/4 - 3/12 = 0

500

4/7 - 2/6 = ?

4/7 - 2/6 = 10/42 or 5/21

Multiplying Fractions

100

3/4 x 2/3 = ?

3/4 x 2/3 = 6/12 or 1/2

200

5/6 x 3/6 = ?

5/6 x 3/6 = 15/36 or 5/12

300

3/2 x 4/5 = ?

3/2 x 4/5 = 12/ 10 or 6/5 or 1 1/5

400

5/6 x 2/4 = ?

5/6 x 2/4 = 10/24 or 5/12 

500

8/9 x 6/7 = ?

8/9 x 6/7 = 48/63

Dividing Fractions

100

3/4 divided by 1/2 = ?

3/4 divided by 1/2 = 6/4 or 3/2 or 1 1/2

200

2/3 divided by 3/4 = ?

2/3 divided by 3/4 = 8/9

300

1/2 divided by 5/6 = ?

1/2 divided by 5/6 = 6/10 or 3/5

400

7/6 divided by 3/4 = ?

7/6 divided by 3/4 = 28/18 or 14/9 or 1 5/9

500

1/3 divided by 1/6 = ?

1/3 divided by 1/6 = 6/3 or 2

GCF

100

Find the GCF of 8 and 12

4

200

Find the GCF of 12 and 36

12

300

Find the GCF of 21 and 35

7

400

Find the GCF of 27 and 63

9 

500

Find the GCF of 33 and 121

11