public IStudyAssignment Add(IRationalFraction addend)
{
var result = Adder(addend.Numerator, addend.Denumenator);
result.Reduction();
return(result);
}
public IStudyAssignment Multiply(IRationalFraction factor)
{
var result = new RationalFraction(Numerator * factor.Numerator, Denumenator * factor.Denumenator);
result.Reduction();
return(result);
}
public IStudyAssignment Sub(IRationalFraction subtrahend)
{
var result = Adder(-subtrahend.Numerator, subtrahend.Denumenator);
result.Reduction();
return(result);
}
public IStudyAssignment Division(IRationalFraction divider)
{
if (divider.Numerator == 0)
{
throw new DivideByZeroException();
}
var result = new RationalFraction(Numerator * divider.Denumenator, Denumenator * divider.Numerator);
result.Reduction();
return(result);
}
