Subtracting Unlike Fractions Quiz

What is the first step in subtracting fractions with different denominators?

• Multiply the fractions.

• Add the fractions.

• Find a common denominator.

• Subtract the numerators directly.

How do you find a common denominator for the fractions 3/5 and 1/4?

• Divide the larger denominator by the smaller one.

• List multiples of each denominator and find a common one.

• Add the denominators.

• Multiply the numerators together.

What is the equivalent fraction of 3/5 when the common denominator is 20?

• 3/20

• 9/20

• 12/20

• 15/20

After renaming the fractions with a common denominator, what is the next step?

• Add the fractions.

• Subtract the numerators.

• Multiply the fractions.

• Divide the fractions.

What is the simplified form of the fraction 7/20?

• 3/10

• 1/2

• 14/40

• 7/20