Fractions Review

Adding Fractions with Unlike Denominators

100

1/4 + 2/3 = 

11/12

200

4/9 + 1/6 =

*write your answer in simplest form 

11/18

300

3/4 + 1/9 =

31/36

400

1/2 + 1/3 =

5/6

500

1/4 + 3/7 =

19/28

Subtracting Fractions with Unlike Denominators

100

4/5 - 1/3 =

7/15

200

4/3 - 2/7 =

22/21 

300

3/4 - 1/9 =

23/36

400

6/7 - 1/2 =

5/14

500

9/10 - 1/4 =

*Write your answer in simplest form 

13/20

Least Common Denominator

100

1/2 and 3/5

LCD: 10

200

5/12 and 2/9

LCD: 36

300

1/7 and 4/8

LCD: 56

400

9/10 and 5/6

LCD: 30

500

1/4 and 2/3

LCD: 12

Equivalent Fractions

100

What are two equivalent fractions for 2/3?

4/6, 6/9, 8/12.... 

200

Simplify to find two equivalent fractions for 12/20

6/10 and 3/5

300

Find two equivalent fractions for 1 whole

2/2, 3/3, 4/4....

400

Are 4/5 and 12/25 equivalent fractions? If not, write an equivalent fraction for 4/5

No, 12/15 would be equivalent to 4/5

500

What is the mixed number for 35/12?

2 11/12

Factors Review

100

What is the GCF of 18 and 36?

18

200

What is the LCM of 3 and 7?

21

300

What is the GCF 21 and 42?

21

400

What is the LCM of 12 and 36?

12

500

What is the GCF of 45 and 72?

9