5) 1 + 1 / (1 + 1 / (1 + 1/2))

1 + 1/2 = 3/2. 1 / (3/2) = 2/3. 1 + 2/3 = 5/3. 1 / (5/3) = 3/5. 1 + 3/5 = 8/5.
Answer: 8/5