Lesson 5 of 10 · Grades 3 to 5
Practice: Add fractions with the same denominator
Add the numerators, keep the denominator, then simplify if you can. These ten questions also include word problems where the fractions represent lengths and amounts.
How to use this page
This page gives you ten more questions on the same idea as the lesson "Add fractions with the same denominator". Work through them at your own speed. Write your answer down or say it out loud before you open the answer box, so you give yourself a real chance to think.
If a question feels hard, go back to the lesson and look at the worked example again. Getting a question wrong is useful; it shows you the part that needs one more look.
Practice questions
Answer all ten questions in your notebook or in your head. Then open each answer to check your work.
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1/4 + 1/4 = ?
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2/4, which simplifies to 1/2.
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3/9 + 4/9 = ?
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7/9.
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2/12 + 7/12 = ?
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9/12, which simplifies to 3/4.
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5/16 + 6/16 = ?
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11/16.
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3/5 + 1/5 = ?
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4/5.
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1/3 + 1/3 + 1/3 = ?
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3/3, which is 1 whole.
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A hiker walks 2/8 km and then another 3/8 km. How far does the hiker walk altogether?
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5/8 km.
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4/15 + 4/15 = ?
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8/15.
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7/20 + 9/20 = ?
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16/20, which simplifies to 4/5.
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5/6 + 1/6 = ?
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6/6, which is 1 whole.