# Simplify Fractions Calculator

> Simplify fractions calculator: reduce any fraction to lowest terms and convert between improper fractions and mixed numbers with steps shown. Free, no signup.

- **Canonical URL:** https://boringtoolskit.com/fraction-simplify-calculator/
- **Category:** Everyday Calculators
- **Evidence level:** authored-methodology
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-09-20
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

## How it works

Divide numerator and denominator by their greatest common divisor; decimal = numerator / denominator.

## Worked example

42/50 divides by GCD 2 to 21/25, which is 0.84 as a decimal.

## Common questions

### How do I use the simplify fractions calculator?

Enter the numerator and denominator of your fraction into the input fields and click the 'Simplify' button to get the result instantly.

### Do I need to create an account to use the simplify fractions calculator?

No, the simplify fractions calculator runs entirely in your browser and requires no signup or installation.

### Can the simplify fractions calculator handle improper fractions?

Yes, the simplify fractions calculator will reduce any improper fraction to its simplest form or convert it to a mixed number.

## Sources

- [Calculation methodology](/methodology/)
- [Quality evidence and verification standard](/quality-evidence/)

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