add simply or fraction

Question

5 3 4
------ + -- + --- =
8 20 15

Answer 1

I assume your problem is this:

(5/8) + (3/20) + (4/15)

Using equivalent fractions with a common denominator:

75/120 + 18/120 + 32/120 = 125/120 = 1 5/120 = 1 1/24