Fractions, mixed numbers, and ratios can trip up anyone — this collection makes the arithmetic straightforward. The Fraction Calculator handles all four operations in one step, while the Simplify Fractions Calculator, Decimal to Fraction Calculator, and Mixed Numbers Calculator cover every common conversion you're likely to need.
Check the most-popular list or flip to the Trending tab to see what other visitors are computing. Every tool here is free, needs no account, and works on any device.
- Fraction Calculator
- Matrix Calculator
- Slope Calculator
- Algebra Calculator
- Trigonometry Calculator
- Percentage Calculator
- Probability Calculator
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Compare Fractions CalculatorCompare two fractions instantly using cross multiplication. See which fraction is greater, smaller, or equal plus decimal values.
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Multiply & Divide Fractions CalculatorMultiply or divide two fractions and get the answer as a fully reduced fraction plus its decimal value. Free, instant, step-by-step formula included.
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Complex Fraction Simplifier CalculatorSimplify a complex fraction (a fraction divided by a fraction) instantly. Enter a/b over c/d to get the reduced fraction and decimal value.
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Two-Thirds (2/3) as a Percentage CalculatorConvert any fraction or part-out-of-number into a percentage instantly. Enter numerator and denominator to get the percent and decimal value.
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Simplify Rational Expression CalculatorSimplify a rational expression by factoring the numerator and denominator quadratics and cancelling common factors. Shows steps, factors, and reduced form.
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Simplify Fraction CalculatorSimplify any fraction to its lowest terms using the greatest common factor (GCF). Get the reduced fraction, GCF, decimal value, and mixed number instantly.
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Reciprocal CalculatorFind the reciprocal of any number or fraction instantly. Flip a/b to b/a or compute 1/x with both fraction and decimal results shown.
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Rational Equation CalculatorSolve rational equations of the form a/(x+b) = c/(x+d). Cross-multiplies and solves for x step by step, flagging extraneous solutions.
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Order Fractions Least to Greatest CalculatorSort any list of fractions from least to greatest (or greatest to least). Enter fractions like 1/2, 3/4, 2/3 and get them ordered with decimal values.
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Round to the Nearest Fraction CalculatorRound any decimal to the nearest 1/2, 1/4, 1/8, 1/16, 1/32, or 1/64. Get the result as a reduced fraction with whole part and rounding error.
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Fraction to MM Conversion Chart CalculatorConvert any fractional inch to millimeters and decimal inches instantly. Enter a numerator and denominator to get mm, cm and decimal values.
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Percentage to Fraction CalculatorConvert any percentage to a fraction instantly. Get the simplified fraction, mixed number, and decimal value with full step-by-step reduction.
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Divide Fractions CalculatorDivide two fractions instantly. Enter a/b ÷ c/d to get the simplified fraction and decimal answer using the keep-change-flip method.
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Add and Subtract Fractions CalculatorAdd or subtract two fractions instantly. Get the simplified result, the unsimplified fraction, and the decimal value with step-by-step formula.
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Fraction of an Inch to Decimal/Millimeter CalculatorConvert a fraction of an inch (like 3/8") to decimal inches, millimeters, and centimeters instantly. Supports whole inches plus a fraction.
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Recipe Fraction Scaling CalculatorScale recipe ingredient fractions up or down by servings. Enter a fraction and old/new servings to get the new amount as a kitchen-friendly fraction.
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What Fraction Is X of Y CalculatorFind what fraction X is of Y. Get the reduced fraction (using GCD), the percentage, and the decimal value instantly with this free calculator.
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Fraction to Mixed Number CalculatorConvert any improper fraction into a mixed number instantly. Enter a numerator and denominator to get the whole part plus a reduced proper fraction.
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Simplify Fraction CalculatorReduce any fraction to its lowest terms instantly. Enter a numerator and denominator to get the simplified fraction, GCD, and decimal value.
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Divide a Whole Number by a Fraction CalculatorDivide any whole number by a fraction instantly. Get the answer as a simplified fraction and a decimal, with the step-by-step n ÷ (a/b) = (n·b)/a formula.
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Divide a Fraction by a Whole Number CalculatorDivide a fraction by a whole number instantly. Enter a/b and n to get the simplified fraction and decimal using (a/b) ÷ n = a/(b·n).
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Whole Number to Fraction CalculatorConvert any whole number into a fraction instantly. Write n as n/1 or over any denominator d as (n·d)/d with this free calculator.
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Feet and Inches Fraction CalculatorConvert feet, inches and a fraction into total inches and total feet, then back into a clean feet-inches-fraction reading rounded to 1/2 to 1/32.
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Half of a Fraction CalculatorHalve any fraction instantly. Enter a numerator and denominator to find half of a/b = a/(2b), shown simplified and as a decimal.
Frequently asked questions
What fraction operations and conversions can I perform here?
The collection covers adding, subtracting, multiplying, and dividing fractions, simplifying to lowest terms, converting between decimals and fractions, working with mixed numbers, and finding percentages from fractions or ratios. Most everyday and classroom fraction tasks are represented in one place.
Are the fraction results accurate?
All calculators use exact arithmetic where possible rather than floating-point approximations, so answers for standard operations are precise. For coursework or professional use, double-check anything critical against an authoritative source such as your textbook or a trusted math reference.
Do I need to pay or register?
No — every fraction and ratio calculator here is entirely free and open to use without creating an account. Enter your numbers and get your answer immediately. No subscription or sign-up is required.
Does CalculatorLib store the numbers I type in?
No data you enter is stored or transmitted. All calculations run directly in your browser, so your inputs remain private on your own device and are never sent to our servers.
Which fraction calculators do visitors use the most?
The list is ordered by real usage data, so the most popular tools appear at the top. Use the Trending tab to see what is gaining traffic right now, or Recently Added to discover the newest tools in the collection.
