Benjamin, Emma, and Lucas are sharing a bag of candy. Benjamin ate \( \frac{1}{4} \) of the candies, Emma ate \( \frac{2}{5} \) of the candies, and Lucas ate the rest. What is the average fraction of candies eaten by each person? Express your answer as a decimal to the nearest tenth. Let's think step by step and output the final answer within \boxed{}.
user