Fraction Calculator

Solve fraction arithmetic and see the simplified decimal result.

Your inputs

Calculation details

All calculations run locally in your browser. No data is stored.

Decimal0.83
Numerator5
Denominator6

Denominators cannot be zero. Results are reduced to lowest terms.

How this calculator works

The calculator uses a common denominator for addition and subtraction, applies direct multiplication or reciprocal division, then reduces the result using the greatest common divisor.

Change any input to update the estimate instantly. Your entries never leave your device.

Frequently asked questions

How are fractions simplified?

The numerator and denominator are divided by their greatest common divisor.

Can a denominator be zero?

No. A zero denominator is undefined, and dividing by a zero fraction is also invalid.