Common Denominator

Find the CD

100

1/3 and 1/12

12

200

1/6 and 2/3

6

300

3/4 and 3/5

20

400

7/9 and 5/6

18

500

8/11 and 4/7?

77

Write the CDs

100

4/15 and 1/3

4/15 and 5/15

200

5/8 and 1/6

30/48 and 8/48

300

3/7 and 2/3

9/21 and 14/21

400

3/5 and 1/2

6/10 and 5/10

500

5/6 and 3/4

10/12 and 9/12

Vocabulary

100

Name the first 10 multiples of 9.

9, 18, 27, 36, 45, 54, 63, 72, 81, 90

200

Name all of the factors of 13.

1, 13

300

Name all of the factors of 18.

1, 2, 3, 6, 9, 18

400

List the first six multiples for 4

4, 8, 12, 16, 20, 24

500

Name the first five multiples of 5. 

5, 10, 15, 20, 25

Addition

100

1/3 + 1/12

5/12

200

1/6 + 2/3

5/6

300

3/4 + 3/5

29/20 or 1 9/20

400

7/9 + 5/6

29/18 or 1 11/18

500

8/11 + 4/7

100/77 or 1 23/77

MIS

100

What is LCM stand for?

Least/Lowest common multiples

200

What is denominator?

A denominator is the bottom number in a fraction that indicates the total number of equal parts into which a whole is divided.

300

What is numerator?

A numerator is the top number in a fraction that indicates how many parts of a whole are being considered.

400

What is fraction?

A fraction represents a part of a whole.

500

How to do 0.75 as a fraction?

75/100 or 3/4