Multiply fractions by combining their numerators and denominators.
Multiplying Fractions Calculator
Results
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Table of Contents
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What is Multiplying Fractions?
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How to Use This Calculator
- Enter or select Numerator (n1), Denominator (d1), Numerator (n2), Denominator (d2).
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
(a/b) × (c/d) = ac/(bd)
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Variables Explained
| Input | What it means |
|---|---|
| Numerator (n1) | The top part of the fraction, representing the number of equal shares. |
| Denominator (d1) | The bottom part of the fraction, representing how many equal shares make a whole; it cannot be zero. |
| Numerator (n2) | The top part of the fraction, representing the number of equal shares. |
| Denominator (d2) | The bottom part of the fraction, representing how many equal shares make a whole; it cannot be zero. |
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Worked Example
2/3 × 3/5 = 6/15 = 2/5.
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Why Use This Calculator?
Scale one fractional quantity by another while preserving an exact result.
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Common Mistakes
- Cancel common factors across numerator and denominator; do not cancel terms joined by addition.
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Frequently Asked Questions
Should I round numbers before calculating?
Keep the original input precision through the calculation and round the final answer to the precision you need. Rounding an intermediate result can change later steps.
Why can a manual calculation differ slightly?
Check the operation, units, signs and rounding first. Equivalent fractions or expressions can look different while representing the same value.
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Sources & References
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