Fraction Subtraction Quiz

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

• Divide the fractions.

• Multiply the numerators.

• Find a common denominator.

• Add the numerators directly.

How do you find a common denominator for the fractions 6, 5, and 4?

• Find the greatest common divisor.

• Multiply the denominators together.

• Use the largest denominator.

• Add the denominators.

After finding a common denominator, what is the next step in subtracting fractions?

• Divide the numerators.

• Multiply the fractions.

• Subtract the numerators.

• Add the fractions.

What should you do if the resulting fraction can be simplified?

• Leave it as it is.

• Multiply it by 2.

• Simplify by dividing both numerator and denominator by their greatest common factor.

• Add 1 to the numerator.

In the second example, what is the common denominator used for the fractions 7/9, 1/3, and 2/5?

• 135

• 45

• 15

• 9