Unit 7 Review

LCM

100

What is the least common multiple of 4 and 6?

12

200

Find the least common multiple of 5 and 10.

10

300

What is the LCM of 12 and 15?

60

400

Determine the least common multiple of 8, 12, and 16.

48

500

• Calculate the least common multiple of 9 and 18.

18

Comparing Fractions

100

• Which is larger: 1/2 or 3/4?

3/4

200

 True or False: 2/3 is greater than 1/2.

True

300

•  Arrange the fractions 1/4, 2/5, and 3/8 from smallest to largest.

1/4, 3/8, 2/5

400

Which is smaller: 5/6 or 7/8?

5/6

500

 Compare 3/4 and 5/6 and explain your reasoning.

3/4 less than 5/6

Common Denominator is 12.

9/12 < 10/12

Adding Fractions

100

 What is 1/4+1/4?

2/4 or 1/2

200

Solve 2/5+1/5.

3/5

300

 Add 3/8+1/4.

5/8

400

•  What is the sum of 1/3+2/9?

5/9

500

Calculate 2/3+3/4

8/12 + 9/12 = 17/12 

1  5/12

Subtracting Fractions

100

•  What is 11/12 - 3/4?

2/12 or 1/6

200

Solve 5/6−1/3

3/6  or 1/2

300

Subtract 7/8−1/2

3/8

400

• What is 12/15 - 2/5?

6/12 or 1/2

500

Calculate 3/4−1/6

7/12

Mixed Numbers

100

• What is 2 1/2 as an improper fraction?

5/2

200

Convert 3  3/4 to an improper fraction

15/4

300

 What is the mixed number for 9/4?

2 1/4

400

• Convert 4  1/3 to an improper fraction.

13/3

500

•  Write 11/3 as a mixed number.

3 2/3