Adding Unit Fractions with Same Denominator

To add or subtract unit fractions with the same denominator, simply combine the ________________ and keep the denominator the same.

Why is it important to have the same denominators when adding or subtracting unit fractions?

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OFF

Adding and subtracting unit fractions is a simple process. Just make sure the ________________ are the same, and then combine or subtract the numerators.

What is the result of adding 1/4 and 1/4?

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What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

What is the sum of these fractions in lowest terms?

• 7/18

• 7/9

• 12/9

• 12/81

What is 3/4 + 1/4 = ?

Mathematical Equivalence

ON

What is the result of adding 1/3 and 1/3?

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What is the result of adding 1/6 and 1/6?

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The BOTTOM of the fraction.

• numerator

• multiple

• denominator

• factor