We are asked to determine the number that is between 0.5 and 5/8. In this case, 0.5 is equal 1/2. To find the number in between, we find the average of the two numbers. The LCD of 2 and 8 is is 8 so 1/2 is equal to 4/8. 4/8 + 5/ 8 is equal to 9/8. 1/2 of 9/8 is equal to 9/16.