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ARITHMETIC / FRACTION OPERATIONS

Fraction Calculator

Add, subtract, multiply, or divide two integer fractions and see the exact reduced fraction alongside its decimal value.

  • 01 Calculated in this tab
  • 02 Values stay in this browser tab
  • 03 Use boundary

Conversion input

Known value

Filter by unit name, symbol, or code. Your current selections remain available.

Integer inputs

Operation

Integer inputs

Preparing the calculator...

Use boundary

Calculation path

The selected operation creates one numerator and denominator, then their greatest common divisor reduces the exact result.

Calculation path

Compute the selected fraction operation, then divide numerator and denominator by their greatest common divisor.

What you provide

What you provide

  • First numerator: Integer above the fraction bar for the first fraction.
  • First denominator: Non-zero integer below the first fraction bar.
  • Operation: Choose how the two fractions should be combined.
  • Second numerator: Integer above the fraction bar for the second fraction.
  • Second denominator: Non-zero integer below the second fraction bar.

What you receive

What you receive

  • Exact simplified fraction
  • Decimal equivalent
  • Each input fraction in reduced form

Use boundary

Choose the maximum decimal places shown. This does not increase source accuracy.

Inputs are bounded integers; repeating decimals are displayed with finite screen precision.

Results are educational math aids. Check notation, units, rounding, assumptions, and required precision before using an answer in graded, engineering, financial, or safety-critical work.

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