Smart Calculators

Fraction Calculator – Add and Subtract Fractions

A fraction calculator adds (or subtracts) two fractions and can show the result as a decimal. You enter numerator and denominator for each fraction. This article explains fraction addition and links to our fraction calculator.

Quick Answer

LabelValue
Fraction 11/2
Fraction 21/4
Sum (decimal)0.75

How It Works

Addition: Convert to decimals and add: (num1÷den1) + (num2÷den2). For 1/2 + 1/4: 0.5 + 0.25 = 0.75. To add as fractions with a common denominator: find LCM of denominators, convert, then add numerators. Our calculator returns the sum as a decimal.

Additional Notes

We support addition; result is shown as a decimal. More operations can be added later.

Use Our Calculator

Try our Fraction Calculator for your own numbers: /calculators/fraction-calculator

Related Calculators

Frequently asked questions
  • Find a common denominator, convert both fractions, then add the numerators. Or use our calculator for a decimal result.

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