FRACTION REVIEW

LCM AND LCD

100

Give an example of a number and its first five multiples. 

Answers will vary.

200

What is the lowest common multiple/denominator for 3 and 5.

15 is the LCM/LCD for 3 and 5.

300

List the first four multiples for 4 and 6.

What is the LCD for these numbers?

4: 4, 8, 12, 16

6: 6, 12, 18, 24

LCD: 12

400

List the multiples for numbers 12 and 15 until you find the LCD.

What is the LCD?

12: 12, 24, 36, 48, 60

15: 15, 30, 45, 60

LCD: 60

500

Find the LCD and then convert the unlike fractions to like fractions.

3/5    4/7

LCD: 35

21/35     20/35

REDUCING FRACTIONS TO SIMPLEST FORM

100

Reduce to simplest form:

3/6

1/2

200

Reduce to simplest form:

5/15

1/3

300

Reduce to simplest form:

3/39

1/13

400

Reduce to simplest form:

24/48

1/2

500

Reduce the improper fraction to simplest form:

17/3

5 2/3

MIXED NUMBERS AND IMPROPER FRACTIONS

100

Convert 3 1/2 to an improper fraction.

7/2

200

Convert 5 7/8 to an improper fraction.

47/8

300

Simplify  42/7

6

400

Simplify 43/8

5 3/8

500

Simplify 142/9

15 7/9

FRACTIONS ALL FOUR OPERATIONS

100

1/8 + 3/4

7/8

200

7/12 - 1/6

5/12

300

4/12 X 3/8

12/96 = 1/8

400

3/5 divided by 2/8

24/10 = 2 4/10

500

2 3/4 X 1/2

11/8 =1 3/8