Fraction Calculator
Free online Fraction Calculator.
Calculator
How to Use
- Enter the required values
- Click Calculate to see the result
- Review the detailed output
Formula
Add: a/b + c/d = (ad + bc) / bd. Multiply: a/b x c/d = ac/bd. Divide: a/b / c/d = ad/bc. Simplify by dividing numerator and denominator by GCD.
Example Calculations
Add Fractions
Input: 3/4 + 2/3
Result: 17/12 = 1 5/12
Multiply Fractions
Input: 5/6 x 3/8
Result: 15/48 = 5/16
Divide Fractions
Input: 7/8 / 2/5
Result: 35/16 = 2 3/16
About This Calculator
Free online fraction calculator. Calculate instantly in your browser with our easy-to-use tool. No sign-up required.
Our fraction calculator is free, easy to use, and provides instant results. All calculations are performed in your browser for privacy and speed.
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Frequently Asked Questions
How to add fractions with different denominators?
Find the LCD, convert each fraction, add numerators, keep denominator, and simplify.
How to simplify a fraction?
Find GCD of numerator and denominator, divide both. 12/18 simplifies to 2/3.
How to multiply fractions?
Multiply numerators together and denominators together. 2/3 x 4/5 = 8/15.
How to divide fractions?
Multiply first by reciprocal of second. 2/3 divided by 4/5 = 5/6.
What is a mixed number?
Whole number plus fraction, like 2 3/4. Convert: multiply whole by denominator, add numerator = 11/4.