Find the LCD
Find the LCD for 2 1/6 + 1 5/9
18
List the multiples of 4 and 7 and find the LCD.
4, 8, 12, 16, 20, 24, 28, 32
7, 14, 21, 28, 35
LCD:28
List the first 4 multiples of 10
10, 20, 30, 40
Find the LCD for 4 1/3 + 1 5/9
9
What is the LCD for 1/2 and 2/12?
12
Find the LCD for 1 1/5 + 2 3/6
4
What is the process for finding a common denominator for two unlike fractions?
Answers will vary
Which number is located on top in the fraction?
Find the LCD for 7 5/6 + 6 4/5
30
What is the LCD for 1/4 and 3/6?
Find the LCD for 2 5/8 + 1 1/5
40
What does LCD stand for?
Lowest Common Denominator
If a fraction + fraction has a common denominator, it is called what?
Like fractions
Find the LCD for 3 6/8 + 1 3/5
40
Find the LCD for 5 1/7 + 2 1/6
42
List the first six multiples for 7
7, 14, 21, 28, 35, 42
What is the number called on the bottom of the fraction?
Denominator
Find the LCD for 2 7/8 + 6 5/9
72
Find the LCD for 8 2/9 + 5 1/4
36
Write the least common multiple for the numbers: 6, 8
24
If a fraction + fraction do not have a common denominator, it is called what?
unlike fractions
Find the LCD for 8 1/11 + 9 5/12
132