Add Fractions Online Calculator
Instantly add two or more fractions with automatic simplification. Fast, accurate, and completely privacy-friendly - all calculations run locally in your browser.
Fraction Addition Tool
Result
5 / 6
About This Tool
This Add Fractions tool helps you combine multiple fractions into a single simplified result. It automatically calculates the least common denominator, performs the addition, and reduces the fraction to its lowest terms - all without sending your data anywhere.
Key Benefits
- 100% in-browser computation for maximum privacy
- Instant results with automatic simplification
- No sign-up, tracking, or data storage
- Works seamlessly on mobile and desktop
Features
- Add two or more fractions at once
- Handles negative fractions correctly
- Automatic reduction to lowest terms
- Accessible, clean, light-mode interface
Use Cases
- Students checking homework or exam practice
- Teachers demonstrating fraction addition
- Quick calculations during daily problem-solving
- Anyone needing fast, reliable fraction math
Fun Fact
The concept of fractions dates back over 4,000 years - ancient Egyptians used fractions extensively, but only with numerators of 1, known today as unit fractions.
Historical Context
Fraction addition became standardized as mathematical notation evolved in ancient Greece, India, and the Islamic Golden Age. Techniques like finding a common denominator were formalized to make arithmetic consistent and scalable - principles that modern digital tools like this still rely on today.