Free worksheets · Grade 4
Equivalent Fractions Worksheet
Multiply the top and the bottom by the same number to find the missing numerator.
Free printable
Equivalent Fractions
15 questions, one page, US Letter. Print it and do it on paper.
On the sheet: Multiply the top and the bottom by the same number. Write the missing number.
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About this worksheet
Equivalent fractions name the same amount with different numbers: 3/4 of a pizza is the same as 9/12 of it, cut into smaller slices.
Multiplying the top and the bottom by the same number cuts every piece into that many smaller pieces, so the amount stays the same.
A worked example
3/4 = ?/12
- See what the bottom was multiplied by: 4 × 3 = 12.
- Multiply the top by the same number: 3 × 3 = 9.
- Write the equivalent fraction: 3/4 = 9/12.
Answer: 9
The common mistake
What it looks like: Adding the same number to the top and bottom instead of multiplying: 3/4 = 11/12 (adding 8 to each).
Why it happens: Adding feels like "doing the same to both", but it changes the size of the fraction.
How to fix it: Compare them: 3/4 is three quarters, but 11/12 is almost a whole. Equivalent fractions come from multiplying or dividing both.
Ten minutes a day, on paper. We plan what comes next.
A printed page and a pencil. No screen, no login for your child. Snap a photo when they’re done: AI scores it, and what they missed comes back on the sheets that follow.
- Mon Equivalent Fractions
- Tue What they missed, back again
- Wed The next step, when they’re ready
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