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Adding Mixed Numbers Worksheet

This Adding Mixed Numbers Worksheet gives 5th grade students ten problems adding mixed numbers with unlike denominators and simplifying each sum. Answer key included — perfect for fraction practice at home or school.

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About this resource

Description

Adding mixed numbers is an important 5th grade fraction skill, and this Adding Mixed Numbers Worksheet gives students focused practice putting it all together. To add two mixed numbers with different denominators, students find a common denominator, add the fractions and the whole numbers, regroup when the fraction part is greater than one, and write the sum in simplest form. Mastering these steps builds strong number sense and prepares learners for more advanced work with fractions and everyday measurement.

This printable 5th grade fractions worksheet includes ten carefully chosen problems that move from simple to more challenging, with several that require regrouping. Students solve each problem and write the answer as a mixed number in simplest form. Use it for independent practice, a math center, morning work, homework, or a quick review before a quiz, and check work instantly with the included answer key.

What’s Included

  • 1 print-ready PDF worksheet
  • Answer key
  • 10 adding mixed numbers problems

This Adding Mixed Numbers Worksheet helps kids learn in three ways. It reinforces the full process—finding common denominators, regrouping, and simplifying—so students practice every step instead of just the answer. It builds fluency through repetition with a variety of denominators. And it grows independence, because the complete answer key lets learners check their own work and pinpoint any mistakes right away.

Teachers and parents can make fractions feel real. Have students measure ingredients while baking and add the amounts, connect mixed numbers to rulers and measuring tapes, or challenge kids to write their own word problems using mixed numbers. Play a quick partner game where each student draws two mixed number cards and races to find the sum in simplest form. Acting out these situations helps the math stick and shows how adding mixed numbers appears in everyday life.

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