Finding the LCM/LCD

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 a multiple?

Back

A multiple of a number is the product of that number and an integer. For example, multiples of 5 are 5, 10, 15, 20, etc.

Front

What is the Least Common Denominator (LCD)?

Back

The Least Common Denominator (LCD) is the smallest common multiple of the denominators of two or more fractions.

Front

How do you find the LCD of two fractions?

Back

To find the LCD of two fractions, determine the LCM of their denominators.

Front

Find the LCM of 4 and 5.

Back

20

Front

Find the LCM of 8 and 12.

Back

24

Front

What is the first multiple of 7?

Back

7

Front

Fill in the missing multiple: 5: 5, 10, 15, ___, 25.

Back

20

Front

Which of the following is a multiple of 3? 7, 9, 10, 11.

Back

9