Percent to Fraction Converter

Convert any percentage to its simplest fraction form and decimal equivalent — with step-by-step working shown for every conversion.

Common conversions: 25% = 1/4  |  50% = 1/2  |  75% = 3/4  |  33.33% ≈ 1/3  |  12.5% = 1/8  |  20% = 1/5

What Does This Tool Do?

Convert any percentage to its simplest fraction by dividing by 100 and reducing using GCD. Includes a quick-reference table of the most common percentage-to-fraction conversions.

Key Features

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Auto-Simplified
Result reduced to lowest terms using GCD.
Live
Updates as you type.
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Reference Table
Common conversions shown below the tool.
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Steps Shown
Full working displayed.

How to Use

  1. Enter any percentage (including decimals like 37.5).
  2. The fraction and decimal appear instantly.
  3. Read the working to understand the simplification.

Frequently Asked Questions

How do you convert a percent to a fraction?
Write the percent over 100, then simplify: e.g. 75% = 75/100. Find the GCD of 75 and 100 (= 25), divide both: 3/4.
What is 37.5% as a fraction?
37.5/100 = 375/1000. GCD(375, 1000) = 125 → 3/8.
What is 33.33% as a fraction?
33.33% ≈ 1/3 (exactly 33.333…%). The repeating decimal means it can only be approximated as a finite fraction.