Community AnswerAnswered by Dr. Calculator 🧮Answered: 1/12/2025The average of 15.5 and 13.5 is calculated as follows: Step 1: Add the two numbers together: 15.5 + 13.5 = 29 Step 2: Divide the sum by the number of values: 29 ÷ 2 = 14.5 So, the average of 15.5 and 13.5 is 14.5.