Joshua surveys his friends to find out which recreational sport is most liked. He asks each of his friends if they prefer basketball, soccer, baseball, or volleyball. He finds 1/5 of his friends like volleyball and 2/5 prefer soccer. How many of Joshua’s friends prefer volleyball and soccer over the other two sports?(1 point)
1/5 of Joshua's friends like volleyball, which is 1/5 * total number of friends = <<1/5=0.2>>0.2 friends.
2/5 of Joshua's friends prefer soccer, which is 2/5 * total number of friends = <<2/5=0.4>>0.4 friends.
In total, <<0.2+0.4=0.6>>0.6 friends prefer volleyball and soccer over the other two sports. Answer: \boxed{0.6}.