Subtracting Fractions
4/5 - 2/3
2/15
To add or subtract mixed numbers, first find the ____ to make like fractions. Is it? -LCD least common denominator OR -Simplest form
LCD
6/9 - 2/5
12/45
Change 2 3/4 into an improper fraction
11/4
7 5/12 - 2 1/2
4 11/12
Do you need a common denominator when you multiply fractions?
No
13 - 4 2/3
8 1/3
Find the LCD for 5 3/7 + 2 2/3
21
List the first six multiples for 4
4, 8, 12, 16, 20, 24
8 1/2 - 6 10/12
1 8/12 or 1 2/3
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