Least Common Denominator

Find the LCD

100

Find the LCD for 1/2 and 1/4

4

200

What is the LCD for 1/6 and 2/3?

6

300

What is the LCD for 3/4 and 3/5?

20

400

What is the LCD for 7/9 and 5/6

18

500

What is the LCD for 8/11 and 4/7?

77

Find the LCD #2

100

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

12

200

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

4

300

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

8

400

Find the LCD for 5 1/3 + 2 1/6

6

500

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

12

LCD Questions

100

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

LCD

200

When you change 9 1/4 to 8 5/4 you are _______ the mixed number. Is it? -LCD (least common denominator)? OR -Mixed Numbers? OR -Renaming

Renaming

300

The least number that is a common multiple is the ______?

LCD

400

List the first six multiples for 4

4, 8, 12, 16, 20, 24

500

Write the least common multiple for the numbers: 2, 3

6