Math 6 - Real World Least Common Multiple

Front

What is the Least Common Multiple (LCM)?

Back

The Least Common Multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

What is the LCM of 9 and 15?

Back

The LCM of 9 and 15 is 45.

Front

What is the LCM of 6 and 8?

Back

The LCM of 6 and 8 is 24.

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The relationship is given by the formula: LCM(a, b) = (a * b) / GCD(a, b).

Front

If two events occur every 9 seconds and 15 seconds, when will they occur together?

Back

They will occur together every 45 seconds.

Front

If you jog around a track in 6 minutes and your friend in 8 minutes, when will you meet again?

Back

You will meet again in 24 minutes.

Front

How often do tacos and cheeseburgers appear on the menu if tacos are served every 6 days and cheeseburgers every 8 days?

Back

They will both be on the menu again in 24 days.

Front

What is the greatest number of equal snack bags Lucy can make with 18 juice boxes, 24 bags of peanuts, and 36 apples?

Back

Lucy can make 6 equal snack bags.

Front

If Henry takes 7 minutes and Josh takes 12 minutes to complete a loop, when will they meet again?

Back

They will meet again in 84 minutes.