Definition: You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.
Input: At Lindsey's Vacation Wear, 0.37 the garments are bikinis and 0.23 are trunks. What fraction of the garments are either bikinis or trunks?

0.6