Add, subtract, multiply, or divide fractions and mixed numbers, with results automatically simplified to their lowest terms.
Result (simplified)
5/6
≈ 0.8333 as a decimal
How the Fraction Calculator works
Enter two fractions and choose an operation — add, subtract, multiply, or divide. The calculator finds the result using standard fraction arithmetic, then automatically simplifies it to its lowest terms and shows the equivalent decimal value.
Frequently asked questions
How are fractions added or subtracted?
Fractions are converted to a common denominator, then the numerators are added or subtracted. The result is automatically simplified to its lowest terms.
How is a fraction simplified?
Both the numerator and denominator are divided by their greatest common divisor (GCD), reducing the fraction to its simplest equivalent form.
Can I use negative numbers?
Yes — enter a minus sign before the numerator to use negative fractions.