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Fractions
Free, printable, and unlimited. Deepen fraction sense and add fractions with the same denominator — then download a clean PDF and answer key.
Generate a Fractions worksheet
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Fractions in Grade 3
Third grade is a big year for fractions: children learn to see a fraction as a number on the number line, to recognise equivalent fractions (like 1/2 = 2/4), and to add fractions that share a denominator. Adding same-denominator fractions is the natural first step — count the equal pieces by adding the top numbers.
3/8 + 2/8 = ?
- Same denominator? Yes — both are eighths, so the pieces match.
- Add the numerators: 3 + 2 = 5.
- Keep the denominator: still eighths → 5/8.
How to use these worksheets
- Draw the fractions as bars or circles to see why the tops add.
- Start on Easy with smaller denominators.
- Keep the answer key (page 2) for quick checking.
- Tick Show answers to walk through a sheet together.