★Add and Subtract Fractions
Grade 4 Math Worksheet
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PencilGoGrade 4 · Math · Fractions
4th Grade Add and Subtract Fractions worksheets
6 printable versionsOn LevelAbout 6 minutes eachFree · no account
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About this worksheet
When two fractions have the same denominator, a fourth grader adds or subtracts the numerators and keeps the denominator. Each sheet has nine sums and nine differences, in turn, and your child writes each answer on the line. Building Confidence stays under one whole, On Level can pass one whole, and Challenge Me uses tenths, twelfths and hundredths.
What your child will learn
- Add fractions with like denominators
- Subtract fractions with like denominators
- Write an answer larger than one whole
Common Core standard: 4.NF.B.3
Worked example
3/8 + 4/8 = 7/8, and 9/10 - 4/10 = 5/10.
Common mistake
Adding the denominators too, so 1/5 + 2/5 becomes 3/10 instead of 3/5.
Helpful hint
Add or subtract the top numbers. The bottom number stays the same.
Questions parents ask
What is the most common mistake with add and subtract fractions?
Adding the denominators too, so 1/5 + 2/5 becomes 3/10 instead of 3/5.
How can I help my child with add and subtract fractions?
Add or subtract the top numbers. The bottom number stays the same.
Are these 4th grade math worksheets free to print?
Yes. All 6 printable versions on this page are free to download and print, with no account needed.
Similar: Equivalent Fractions · Compare Fractions
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