src/org/kocakosm/pitaya/math/Fraction.java
public Fraction multipliedBy(Fraction f)
	{
		return new Fraction(n.multiply(f.n), d.multiply(f.d)).reduced();
	}
public Fraction multipliedBy(Fraction f)
	{
		return new Fraction(n.multiply(f.n), d.multiply(f.d)).reduced();
	}
Multiplies this value by the given one and returns the result in
reduced form.

@param f the fraction to multiply this one with.

@return {@code this * f} in reduced form.

@throws NullPointerException if {@code f} is {@code null}.