Question 354471
Get least common denominator (LCD) of all the denominators present in the fractions, express all fractions in terms of that LCD, add up all the numerator terms, and then express in the result in lowest terms.  For example...
{{{1/3 +1/2+1/5 = 10/30+15/30+6/30}}}
={{{(10+15+6)/30}}}
={{{31/30}}}.