Topic 7 Assessment Review

Adding Fractions

100

2/5 + 3/10

7/10

200

4/5 + 2/12

29/30

300

1/9 + 5/6

17/18

400

2/9 + 11/13

125/117 OR 1 8/117

500

1/12 + 3/8 

11/24

Subtracting Fractions

100

3/4 - 5/12

1/3 

200

4/5 - 2/15

2/3

300

7/8 - 2/3

5/24

400

3/8 - 1/12

7/24

500

7/8 - 5/12

11/24

Adding Mixed Numbers

100

2 3/8 + 5 3/5

319/40 OR 7 39/40

200

3 1/4 + 1 1/2

19/4 OR 4 3/4

300

5 2/9 + 4 11/13

1,178/117 OR 10 8/117

400

7 3/4 + 5 1/8

103/8 OR 12 7/8

500

11 5/12 + 7/8

295/24 OR 12 7/24

Subtracting Mixed Numbers

100

3 1/2 - 1 1/4

9/4 OR 2 1/4 

200

4 7/8 - 2 1/4

21/8 OR 2 5/8

300

4 1/6 - 1 2/3

5/2 OR 2 1/2

400

6 1/2 - 5 3/5

9/10

500

2 1/8 - 5/7

79/56 OR 1 23/56

Finding the Least Common Denominator

100

Find the least common denominator between the two fractions

2/3 and 3/4

12

200

Find the least common denominator between the two fractions

1/7 and 2/14

14

300

Find the least common denominator between the two fractions

2/5 and 1/6

30

400

Find the least common denominator between the two fractions

1/5 and 1/15

15

500

Find the least common denominator between the two fractions

1/8 and 5/7

56