1st convert to an improper fraction. 2nd determine a common denominator (product of all denominators is always a common denominator) 2nd convert/change each fraction (as needed) to a fraction with the common denominator. (multiply the orginal numerator by the same factor you multiplied the original denominator by to get the common denominator) 3rd Add/sum the numerators 4. Evaluate the resultant numerator over the common denominator and determine if this fraction can be reduced by factors common to both the numerator and denominator.