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Fraction Calculator

Calculate and reduce exact fractions using integer arithmetic.

How It Works

Addition/subtraction uses a common denominator. Division multiplies by the reciprocal. Integer terms are limited to ±1,000,000.

Reference Sources

FAQs

How does this calculator work?

Addition/subtraction uses a common denominator. Division multiplies by the reciprocal. Integer terms are limited to ±1,000,000.

What assumptions should I check?

Check the units and definitions shown beside each input. Results use the values you enter.