Use this free online fraction calculator to add, subtract, multiply, or divide two fractions and get the answer in both simplified fraction and decimal form. Enter each numerator and denominator, choose an operation, and calculate instantly.
How to Use the Fraction Calculator
Enter the numerator and denominator for "Fraction 1".
Select an operation: addition (+), subtraction (−), multiplication (×), or division (÷).
Enter the numerator and denominator for "Fraction 2".
Click "Calculate" to see the simplified fraction and its decimal equivalent.
Frequently Asked Questions
You can add, subtract, multiply, or divide two fractions by choosing the operation from the dropdown between Fraction 1 and Fraction 2.
After computing the raw numerator and denominator, the calculator finds their greatest common divisor (GCD) and divides both by it, keeping the denominator positive, so the fraction is always shown in its simplest form.
A denominator of zero makes a fraction undefined, so the calculator shows "Denominator cannot be zero!". Dividing by a fraction whose numerator is zero shows "Cannot divide by a zero fraction!" instead of a result.
Yes, it's completely free with no sign-up required.