Fraction Calculator Web Application

This self-contained web application provides a simple yet powerful tool for performing basic arithmetic operations with fractions. Combining HTML, CSS, and JavaScript in a single file, it offers:

Key Features:

• ➕➖✖️➗ Four Basic Operations: Addition, Subtraction, Multiplication, and Division

• 🧮 Dual Fraction Input: Separate numerator/denominator fields for both fractions

• ✅ Automatic Simplification: Results automatically reduced to simplest form

• 🚫 Zero Denominator Protection: Error handling for invalid inputs

• 📱 Responsive Design: Works on both desktop and mobile devices

• 🎨 Clean Interface: User-friendly layout with visual fraction representation

• ⚡ Instant Calculation: Real-time results with click of a button

How to Use:

1. Enter numerators (top numbers) and denominators (bottom numbers) in all four input fields

2. Select desired operation from the dropdown menu

3. Click "Calculate" to see:

   • Simplified fractional result

   • Whole number results when applicable

   • Error messages for invalid inputs

Technical Highlights:

• 🧬 GCD Algorithm: Efficient greatest common divisor calculation for simplification

• 🛡️ Input Validation: Prevents division by zero errors

• 📦 Single File Solution: No external dependencies required

• 🌐 Cross-Browser Compatibility: Works on all modern web browsers

• 🧹 Clean Code Structure: Separated logic for calculation, simplification, and UI

Special Functionality:

• Automatically handles negative values

• Properly displays results as either fractions or whole numbers

• Features professional error messaging

• Includes visual fraction formatting in results

• Uses CSS Grid for optimal input field arrangement

Educational Value:

• Excellent for students learning fraction operations

• Demonstrates mathematical concepts visually

• Shows work simplification process

• Helps verify manual calculations

This calculator is ideal for quick fraction math, homework help, or as a learning tool for understanding fraction operations. Simply save the code as an HTML file and open it in any web browser to start calculating fractions instantly!

This description explains both the user-facing features and technical implementation while highlighting the calculator's educational value and practical applications.