Add and subtract unlike denominators worksheets
Fifth grade adds and subtracts fractions whose denominators differ. Each item pairs two proper fractions with small unlike denominators, so the work is finding a common denominator, renaming both fractions, then combining.
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What students need to know
Different bottoms can't add. Rename both fractions with the same denominator first, then add or subtract the tops.
This skill runs from 5th grade through 5th grade. Pick a grade above for level-matched sentences, teaching notes, and worksheets.
Add and subtract unlike denominators across the grades
5th grade
Fifth grade adds and subtracts fractions whose denominators differ. Each item pairs two proper fractions with small unlike denominators, so the work is finding a common denominator, renaming both fractions, then combining.
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