Topic B Quiz

Find the LCM

100

What is the least common denominator of 1/2 and 1/6?

6

200

What is the least common denominator of 2/5 and 4/10?

10

300

What is the least common denominator of 4/6 and 1/3

6

400

What is the least common denominator of 3/6 and 3/8?

24

500

What is the least common denominator of 3/7 and 4/8?

56

Adding/Subtracting with like denominators

100

1/4 + 1/4

2/4

200

8/17 + 4/17

12/17

300

24/36 - 9/36

25/26

400

17/43 +19/43

36/43

500

56/72- 48/72

8/72

Adding and Subtracting with Unlike Denominators

100

1/2 + 3/4

5/4

200

4/12 +3/8

17/24

300

5/6- 1/3

3/6

400

7/8- 1/3

13/24

500

5/7 + 4/9

73/63