Add Fractions with Models

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What equation is shown?

• 3/10 + 3/10 = 6/10

• 6/10 - 3/10 = 3/10

• 3/10 + 6/10 = 9/10

• 0 + 3/10 = 6/10

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Find the sum.

• 7/18

• 7/9

• 12/9

• 12/81

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