Fraction Calculator

Yes. The result is reduced using the greatest common divisor of the numerator and denominator, so 4/8 becomes 1/2.

Yes. Negative numerators are supported. A negative denominator is normalised so the sign moves to the numerator and the displayed denominator is always positive.

The calculator does not divide by zero. If either denominator is zero, or if you divide by a fraction whose numerator is zero, you will see an error message instead of a numeric result.