Two fifths plus one third equals
2/5 + 1/3= 6/15 + 5/15=11/15
its 11/15.u find the LCM of 3 and 5 which is 15 and to get to 15 from 3 and 5 you need to times 5 by 3 and 3 by 5 then u add the answers but keep the same denominator
