The first thing to do is add the numerator
((2/5) + (4/3)) / (3/5)
((6 + 20) / (15)) / (3/5)
((26) / (15)) / (3/5)
Then you must make a double c to divide the fractions correctly
(130/45)
Then you simplify dividing numerator and denominator by 5
(26/9)