Question

Of the movies in Julio's collection, 9/10 are on DVD. Of those, 2/5 are action movies. What fraction of Julio's movie collection are action DVDS.

Answer 1

You practically simplfiy 2/5 which is 4/10 then add then you get 9/10 + 4/10 13/10 then simplify again and you get 1 and 3/10