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Fraction Addition Subtraction Worksheet

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Fraction Addition Subtraction Worksheet

Add or subtract the numerators when the denominators are the same. Keep the denominator unchanged. Show your thinking where there is space.

Visual Fraction Problems

1.The fraction bars show an addition. Write the equation they represent.

First bar: 2 of 4 equal parts shaded

Second bar: 1 of 4 equal parts shaded

Combined: 3 of 4 equal parts shaded

2.Choose the answer to 2/9 + 3/9.
  • 5/9
  • 5/18
  • 1/9
  • 6/9
3.Work out 5/7 − 2/7.
4.Draw circles or a fraction bar to show 3/5 + 1/5. Then write the total.

Fraction Stories

5.Nikau ate 3/10 of a fruit loaf, and Zoe ate 4/10 of the same loaf. What fraction did they eat altogether?
6.Mei had 6/8 of a pizza left. She ate 2/8 of the whole pizza. What fraction of the pizza is left now?
7.Tick every calculation that can be worked out using the same-denominator method.
  • 2/6 + 3/6
  • 1/4 + 1/7
  • 5/8 − 2/8
  • 3/5 + 1/5

Challenge

8.Write a fraction story of your own that uses addition or subtraction with the same denominator. Include the calculation and its answer.
9.Explain why the pieces need to be the same size before you can add or subtract fractions by working only with the numerators.

3 printable pages

  • Fraction Addition Subtraction Worksheet, page 1 of 3: Visual Fraction Problems

    Page 1

  • Fraction Addition Subtraction Worksheet, page 2 of 3: Fraction Stories

    Page 2

  • Fraction Addition Subtraction Worksheet, page 3 of 3: Challenge

    Page 3

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