Adding and Comparing Fractions

Why is a common denominator required when adding fractions?

• To ensure the fractions are in their simplest form.

• To make the numerators equal.

• To allow for direct addition of the numerators.

• To convert fractions into whole numbers.

What is the least common multiple (LCM) of 9 and 3?

• 3

• 9

• 18

• 27

When renaming 1/3 to have a denominator of 9, what does the new numerator become?

• 1

• 3

• 6

• 9

What is the sum of 3/10 + 2/6?

• 5/16

• 19/30

• 1/2

• 19/60