Decimal to fraction

Convert a decimal to an exact reduced fraction.

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YOUR RESULT

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THE QUICK GUIDE

How to use decimal to fraction

Enter the labelled values, then process it. Copy or download the result.

Treats your written decimal as exact, then reduces numerator and denominator with BigInt.

Decimal (up to 30 decimal places): 0.125 → 1/8

Use consistent units and currency. These are general calculations; verify important results.