Least Common Multiples and Least Common Denominator

What is the least common multiple of 6 and 12?

• 2

• 12

• 24

• 36

What is the least common multiple of 4 and 10?

• 2

• 20

• 40

• 100

What is the least common multiple of 6 and 10?

• 30

• 60

• 120

• 10

What is the least common multiple of 6 and 9?

• 3

• 18

• 36

• 54

What is the least common multiple of 8 and 9?

• 144

• 36

• 18

• 72

What is the least common multiple of 4 and 12?

• 4

• 12

• 24

• 36

tore employees are handing out coupons. Every 10th customer gets a $1 coupon. Every 12th customer gets a $2 coupon.

Which customer is the first to receive both coupons?

• 20

• 30

• 60

• 120