Which of the following best describes the instance method reduce?

public class Fraction $\{$

$...$

public void reduce$()\{$

int divisor $=gcd()$;

this.numerator $\frac{?}{?}=$ divisor;

this.denominator $/=$ divisor;

$\}$

$.$

$\}$

The instance method generates a new instance of the class, using the state of this object.

The instance method changes the state of this object.

The instance method computes a result from the state of this object without changing the object's state.