code: function inverse_fraction(data){
    var t = data.denominator;
    data.denominator = data.numerator;
    data.numerator = t;
    
    return data;
  }
docs: Inverses the current fraction by swapping the numerator and denominator
  This is the equivalent of:
  
  1 / (n / d)
  
  @access public
  @param object $data containing numerator and denominator GMP resources
  @return object $data containing refactored numerator and denominator GMP resources