Fractions Review #1

Common Numerators

100

Find the common numerator for 3/4 and 2/3

What is 6/8 and 6/9 

200

Find the common numerator of 2/4 and 4/5

4/8 and 4/5

300

Find the common numerator of 2/3 and 5/10

10/15 and 10/20

400

Find the common numerator of 4/5 and 8/9

8/10 and 8/9

500

Find the common numerator of 3/4 and 5/10

15/20 and 15/30

Common Denominators

100

Find the common denominator for 1/2 and 2/3

3/6 and 4/6

200

Find the common denominator for 4/8 and 1/4

4/8 and 2/8

300

Find the common denominator of 3/5 and 2/3

9/15 and 10/15

400

Find the common denominator of 3/6 and 3/4 

6/12 and 9/12

500

Find the common denominator of 3/7 and 2/3

9/21 and 14/21

Adding Fractions

100

3/6 + 2/6 =

5/6

200

4/8 + 3/8 =

7/8

300

3/5 + 3/5 =

6/5 or 1 1/5

400

1/2 + 1/3 = 

5/6

500

1/4 + 1/2 = 

3/4

Subtracting Fractions

100

3/5 - 1/5 = 

2/5

200

3/4 - 2/4 = 

1/4

300

7/12 - 4/12 =

3/12

400

3/4 - 1/2 = 

1/4

500

2/5 - 1/3 = 

1/15