Fraction Calculator

When to use Fraction Calculator

Your kid's homework asks to add 3/8 and 5/12 and you've blanked on the common-denominator rule. Enter both fractions, pick the operation — add, subtract, multiply, or divide — and the calculator returns the fully reduced answer plus the decimal equivalent. More useful than a plain answer: it shows the step-by-step working, so you can walk through the logic together rather than just handing over a number. Handles mixed numbers (like 2 1/3) and improper fractions automatically. The arithmetic runs on your device with JavaScript — no server involved — so the tool works whether you're at the kitchen table or on a school Chromebook in airplane mode. Walk away with both the reduced fraction and the decimal you can cross-check against a textbook answer key.

• Add 3/8 and 5/12 with step-by-step working shown
• Divide mixed numbers for a middle-school homework check
• Convert 7/3 to a decimal for a recipe scaling adjustment

About this tool

Fractions trip people up because the rules change by operation — adding requires a common denominator, multiplying doesn't. Enter two fractions, choose an operation (add, subtract, multiply, or divide), and get the simplified result plus the decimal equivalent. Each answer shows the step-by-step working, so it's useful for checking homework or relearning the rules you've forgotten. Handles mixed numbers and improper fractions. Pure computation — no AI involved. Nothing is sent to a server; the math runs on your computer in the browser tab.