½ Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step results.

What is a Fraction Calculator?

Add, subtract, multiply, or divide two fractions and see the simplified result.

Fractional Arithmetic (a/b ± c/d)

📝 In-Depth Guide: Mastering Fraction Calculator

Fractions represent parts of a whole. While they can seem intimidating, they are based on simple proportional logic that is essential for cooking, carpentry, and design.

Common Denominators

To add or subtract fractions, they must be "speaking the same language"—meaning they need a common denominator. Our calculator automatically finds the Least Common Multiple (LCM) to solve the problem for you.

Simplification

A fraction like 4/8 is correct, but 1/2 is "simplified." We always provide the simplified version of your result to make it as readable as possible.

Example

📌 Example Calculation

1/2 + 1/4 = 3/4

Frequently Asked Questions

The calculator applies the formula and assumptions explained on this page to the values you enter. Add, subtract, multiply, and divide fractions with step-by-step results. Use our free fraction calculator online — instant results, no sign-up.
The arithmetic follows the displayed method, but accuracy depends on your inputs, units, assumptions, and rounding. Confirm important decisions with an authoritative source or qualified professional.
No. The calculation runs in your browser and does not require an account. Avoid sharing a prefilled result link if its inputs are sensitive.