Adding and Subtracting Fractions

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5/6

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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3/20

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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1/2

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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2/15

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CCSS.7.NS.A.1C

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7/8

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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What is the sum of these fractions in lowest terms? Options: 22/5, 6/3, 22/15, 6/15

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22/15

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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What is the sum of these fractions in lowest terms? 4/5, 3/20, 4/20

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17/20

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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Add the fractions together: 3/8, 11/15, 2/15, 1/2

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11/15

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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What is the first step in solving this problem? ⅘ + ½ =

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Find a common denominator.

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

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What must you have to add and subtract fractions?

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Common denominators

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D