About the Fraction Calculator
The Fraction Calculator parses integers or numerator/denominator pairs, performs exact BigInt arithmetic and reduces the final fraction by its greatest common divisor. Decimal approximation and mixed-number form are included.
How to use the Fraction Calculator
- Enter each value as an integer or fraction such as 3/4.
- Choose the arithmetic operation.
- Calculate and inspect the reduced exact result.
Practical tips
- A denominator can never be zero.
- Exact fractions avoid the repeating-decimal errors of floating-point calculations.