Fraction Calculator

Add, subtract, multiply, or divide fractions with step-by-step solutions and automatic simplification.

About Fraction Calculator

This fraction calculator handles all four basic arithmetic operations — addition, subtraction, multiplication, and division — on fractions. It automatically simplifies results to their lowest terms, converts improper fractions to mixed numbers, and shows step-by-step work so you can learn the process. The calculator also provides the decimal equivalent and the greatest common divisor (GCD) used for simplification.

All 4 Operations

Perform addition, subtraction, multiplication, and division on any two fractions with accurate results every time.

Automatic Simplification

Results are automatically reduced to lowest terms using the greatest common divisor (GCD) for clean, proper fractions.

Step-by-Step Work

See each step of the calculation process to understand exactly how the result is derived from the inputs.

Decimal Conversion

View the decimal equivalent alongside the fraction result for easy comparison and real-world application.

📋 Common Use Cases

Shopping & Discounts

Calculate sale prices, percentage discounts, and tip amounts instantly. Know exactly what you will pay before reaching the register.

Cooking & Recipe Scaling

Adjust recipe ingredient quantities using ratios and proportions. Scale recipes up for parties or down for smaller meals with perfect accuracy.

Academic Homework Help

Students can check their work and understand step-by-step solutions for fractions, percentages, and ratio problems across math and science courses.

Quick Business Math

Calculate markups, discounts, and proportional adjustments. Make fast, accurate pricing decisions without reaching for a physical calculator.

🪜 How to Use This Tool

  1. Enter your numbers
    Type the values you want to calculate. Most calculators accept whole numbers, decimals, and fractions in standard notation.
  2. Select the operation or mode
    Choose what you want to compute — percentage of a number, fraction arithmetic, or ratio simplification — depending on the calculator.
  3. See the result with explanation
    The answer appears instantly. Most math calculators show step-by-step work so you understand how the result was derived.
  4. Copy or reuse the result
    Click to copy the answer for use in homework, shopping decisions, or business calculations.

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Frequently Asked Questions

Are these calculators really free?▼
Yes. All calculators on iluv.tools are completely free. No signup, no account, no credit card required. Every calculation runs instantly in your browser.
Is my data sent anywhere?▼
Absolutely not. All calculators are pure client-side JavaScript. Your numbers, dates, and inputs never leave your browser. No server processing, no tracking.
How accurate are these calculators?▼
Calculators use standard mathematical formulas with double-precision floating point. Results match industry-standard financial and scientific calculations.
Can I use calculators on mobile?▼
Yes. All calculators work on mobile browsers (iOS Safari, Android Chrome) with responsive layouts.