Least Common Multiples and Least Common Denominator

Find the least common denominator of 1/6 and 5/12.

• 18

• 12

• 6

• 1

What is the least common denominator of 1/9 and 2/3?

• 6

• 3

• 9

• 21

Which of these numbers could NOT be a common denominator for these two fractions?
2/4   and   3/8

• 32

• 12

• 8

• 24

Find the lowest common denominator of these fractions: 2/7 and 2/21

• 7

• 21

• 18

• 147

What is the least common multiple (LCM) of 6 and 8?

• 6

• 8

• 48

• 24

The smallest positive number that is a multiple of two or more numbers is the ________.

• Greatest Common Multiple

• Largest Common Multiple

• Least Common Multiple

• Simplest Common Multiple

What is the least common multiple (LCM) of 3 and 20?

• 60

• 40

• 20

• 3

Find the Least Common Multiple of 9 and 6

• 18

• 36

• 38

• 72

The smallest multiple of 2 numbers is the...

• Greatest Common Factor

• Greatest Common Multiple

• Least Common Factor

• Least Common Multiple

The smallest multiple of two numbers is the

• Greatest Common Factor

• Greatest Common Multiple

• Least Common Factor

• Least Common Multiple