code: public static BigRational valueOf(int numerator, int denominator) {
  		return of(BigDecimal.valueOf(numerator), BigDecimal.valueOf(denominator));
  	}
docs: Creates a rational number of the specified numerator/denominator int values.
  
  @param numerator the numerator int value
  @param denominator the denominator int value (0 not allowed)
  @return the rational number
  @throws ArithmeticException if the denominator is 0 (division by zero)