Subtracting Fractions
Find the LCD #2
Mixed Review
100

4/5 - 2/3

2/15

100
Find the LCD for 2 1/3 + 1 5/12
12
100

To add or subtract mixed numbers, first find the ____ to make like fractions. Is it? -LCD least common denominator OR -Simplest form

LCD

200

6/9 - 2/5 

12/45

200
Find the LCD for 1 1/4 + 2 1/2
4
200

Change 2 3/4 into an improper fraction

11/4 

300

7 5/12 - 2 1/2

4 11/12

300
Find the LCD for 2 5/8 + 1 1/2
8
300

Do you need a common denominator when you multiply fractions? 

No

400

13 - 4 2/3

8 1/3

400

Find the LCD for 5 3/7 + 2 2/3

21

400

List the first six multiples for 4

4, 8, 12, 16, 20, 24

500

8 1/2 - 6 10/12

1 8/12 or 1 2/3

500
Find the LCD for 8 1/3 + 5 1/4
12
500

What are the first 4 multiples of 6 and 8?

What is the common denominator? 

6 12 18 24

8 16 24 32 

Common Denominator is 24