LCM and LCD

What is the LCM?

• The LCM is the least common factor that both numbers share the least. 
• The LCM is a multiple that both numbers share the most.  
• The LCM is a multiple that both numbers share the least. 
• The LCM is a factor that both numbers share the least. 

What is the LCM of 16 and 24?

• 24
• 48
• 8

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

What number could be a common denominator for these two fractions?
2/3   and   3/4

• 3
• 4
• 7
• 12

What is the least common denominator of 1/7 and 3/6?

• 14
• 21
• 7
• 42

Find the least common denominator of the given rational expressions.

• 10t
• 60t
• 6
• 600t²

Find the least common denominator of the given rational expressions.

• 5x³y³
• 5x²y²
• 5xy
• 6

Find the LCD of these fractions.

• 3x
• 9x
• x
• 18x

Find the LCD of these fractions.

• x²
• 2x
• 2x²
• x

St. Michael's Middle School offers tutoring for their students. Tammy can only go every 4th day, and Morgan can go every 6th day. What will be the next day that both girls will be at tutoring?

• 12
• 24
• 2