17 x 10

Find the GCF of 6 and 8

Find the LCM of 5 and 10

At the grocery store hamburger patties come in packages of 4, and hamburger buns come in packages of 6. For my barbeque I want to have the same number of hamburgers patties and buns. How many packages of patties and buns do I have to buy so that I have t

13 x 8

Find the GCF of 12 and 16

Find the LCM of 6 and 8

A club has 24 girls and 12 boys as members. The president wants to break the club into groups, with each group containing the same combination of girls and boys. The president also wants to make sure that no one is left out. What is the greatest number of

18 x 9

Find the GCF of 24 and 36

Find the LCM of 10 and 12

Mandy is making emergency-preparedness kits to share with friends. She has 20 bottles of water and 24 cans of food, which she would like to distribute equally among the kits, with nothing left over. What is the greatest number of kits Mandy can make?

21 x 60

Find the GCF of 70 and 98

Find the LCM of 12 and 14

Sandy can run 1 lap around the track in
9 minutes and Jimmy can run the same lap in
3 minutes. If they both start at the same time,
how long will it take for them to both return
to the starting point at the same time?

42 x 63

Find the GCF of 18, 24, and 36

Find the LCM of 6, 12, 30

Bill, Bob and John start at the same time at the start line. Bill runs 1/2rd lap per minute. Bob runs 1/4th lap per min., and John runs 1/6th lap per min. How many laps need to be run by all in order to cross the finish line at the same time?