Understanding Common Denominators

What is the first step in finding a common denominator for two fractions?

• Add the numerators of the fractions.

• Find the Least Common Multiple of the denominators.

• Subtract the smaller denominator from the larger one.

• Multiply the numerators by each other.

Which of the following is a multiple of 8?

• 30

• 22

• 16

• 10

What is the Least Common Multiple (LCM) of 8 and 6?

• 12

• 18

• 24

• 30

How do you adjust the numerators after finding the common denominator?

• Subtract the numerators from the LCM.

• Add the numerators together.

• Multiply the numerators by the same factor used to adjust the denominators.

• Divide the numerators by the LCM.

What are the new fractions after renaming 2/8 and 1/6 with a common denominator?

• 2/24 and 1/24

• 8/24 and 6/24

• 6/24 and 4/24

• 6/24 and 4/28