Answer: Option: >
Step-by-step explanation: To compare the fractions 34/40 and 5/8, we can convert them to a common denominator. The least common multiple of 40 and 8 is 40, so we can convert 5/8 to 25/40. Now we can compare the fractions:
34/40 is equivalent to 17/20
17/20 is greater than 25/40
Therefore, the correct answer is >.