LCM

Find the Least Common Multiple of 9 and 6

• 18

• 36

• 38

• 72

Two neon signs are turned on at the same and begin to blink.  One sign links every 9 seconds.  The other blinks every 15 seconds.  In how many seconds will they blink together?

• 3

• 5

• 45

• 9

Cups are sold 6 to a package and plates are sold 8 to a package. If you want to have the same number of each item for a party, what is the least number of packages of each you need to buy?

• 6

• 8

• 12

• 24

What is the least common multiple (LCM) of 15 and 2?

• 30

• 2

• 45

• 152

What is the least common multiple of 8 and 12?

• 24

• 20

• 15

• 10

What is the Least Common Multiple of 7 and 2?

• 14

• 9

• 21

• 35

What is the Least Common Multiple of 5 and 2?

• 6

• 20

• 10

• 25

Find the LCM of 6 and 24. 

• 6

• 12

• 24

• 8

Is this question asking to find GCF or LCM?

• GCF

• LCM