5.NF.1: Adding and Subtracting Fractions

I can add and subtract fractions with unlike denominators by replacing given fractions with equivalent fractions.

Problem 1

A recipe calls for 2/3 cup of flour and 3/4 cup of sugar. How many cups of these ingredients combined?
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Problem 2

Sarah ate 3/8 of a pizza and Tom ate 1/4 of the same pizza. How much pizza did they eat together?
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Problem 3

Create a word problem that requires adding fractions with denominators of 6 and 9.
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Problem 4

Explain why you need a common denominator to add fractions. Use a visual model.
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Problem 5

If you have 5/6 of a chocolate bar and give away 2/9 of the whole bar, how much do you have left?
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Problem 6

Design a real-world scenario where subtracting fractions with unlike denominators is necessary.
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Problem 7

Compare different methods for finding common denominators. Which is most efficient?
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Problem 8

Create a multi-step problem involving both addition and subtraction of fractions.
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Problem 9

Analyze this statement: "You can only add fractions if they have the same denominator." Is this true?
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Problem 10

Develop a strategy for quickly identifying the least common denominator of two fractions.
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