Fraction Calculator
Free online fraction calculator. No sign-up, no installation. Runs entirely in your browser.
Calculate Fractions
∕
∕
What is a Fraction Calculator?
A fraction calculator is a tool that performs arithmetic operations on fractions. It can add, subtract, multiply, and divide fractions while automatically simplifying the results to their lowest terms. This calculator shows you the step-by-step working for each operation, making it ideal for learning and verification.
How to Use This Calculator
- Enter Fraction 1: Input the numerator (top number) and denominator (bottom number) of your first fraction.
- Choose an Operation: Select from addition (+), subtraction (−), multiplication (×), or division (÷).
- Enter Fraction 2: Input the numerator and denominator of your second fraction.
- Calculate: Click the “Calculate” button to see your results.
- Review Results: View the step-by-step working, simplified fraction, and decimal equivalent.
- Copy: Use the “Copy Result” button to copy the final answer to your clipboard.
Common Uses
- Homework Help: Verify your fraction calculations and understand the steps involved.
- Cooking & Recipes: Adjust ingredient quantities by calculating fraction amounts.
- Construction & DIY: Calculate measurements and proportions with fractional units.
- Financial Planning: Work with fractional portions and percentages.
- Education: Learn how to simplify and work with fractions systematically.
Frequently Asked Questions
What is a simplified fraction?
A simplified fraction is one where the numerator and denominator have no common factors other than 1. For example, 2/4 simplifies to 1/2 because both numbers are divisible by 2. Our calculator automatically simplifies all results.
What’s the difference between a proper and improper fraction?
A proper fraction has a numerator smaller than the denominator (e.g., 3/4). An improper fraction has a numerator equal to or larger than the denominator (e.g., 5/4). Our calculator displays improper fractions as mixed numbers (e.g., 1 1/4) for easier reading.
Can I use negative fractions?
Yes! Our calculator supports negative fractions. You can enter negative values in either the numerator or denominator. The result will automatically show the correct sign.
What happens when I divide by zero?
Division by zero is mathematically undefined. Our calculator will show an error message if you try to use a zero denominator or divide by a zero fraction. Always ensure your denominators are non-zero values.
How does the calculator handle fraction division?
To divide fractions, the calculator multiplies the first fraction by the reciprocal (flip) of the second fraction. For example: (2/3) ÷ (4/5) = (2/3) × (5/4) = 10/12 = 5/6.
Can I copy my results?
Yes! Once you’ve calculated a result, click the “Copy Result” button to copy the final fraction answer to your clipboard. You can then paste it anywhere you need it.