5th grade
Add and Subtract Fractions with Unlike Denominators
Twelve problems like 1/2 + 1/3. Find a common denominator first, then add or subtract and simplify.
Math worksheet · Fractions and fraction models
Add and Subtract Mixed Numbers
Twelve mixed number problems with like denominators. Add or subtract the wholes and the fractions, and regroup when you need to.
- Grade level
- Grades 4–5
- Time
- About 25 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Equal parts, Naming and comparing fractions, Equivalent fractions, Fraction operations
What kids do
“Add or subtract the fractions, then the whole numbers. Regroup a whole if you need to.”
Printed on the sheet:
- Write every answer in simplest form. Use the whole number box for a mixed number.
Teacher tip
Ask kids to estimate with the whole numbers first so they can check their answers.
How to use it
- Ask kids to say each fraction out loud as “3 out of 4 equal parts.”
- Shade lightly with colored pencil so mistakes are easy to fix.
- Do the first problem together under a document camera, then let kids finish on their own.
Watch for
Adding the denominators (1/4 + 1/4 = 2/8). Draw it to show the pieces stay fourths.
Talk about it
- Where do you use fractions at home, like in a recipe or a pizza?
- Which problem was the hardest? What made it hard?
Take it further
Cut sandwiches or paper pizzas into equal parts and write the fractions.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
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