1. What complex fraction is equal to 2/3?
A. 4/3 8/3
B. 5/6 3/4
C. 3/4 9/8
D. 3/5 2/5

2. Which rate is not a unit rate?
A. 1/4 inch/ 1 year
B. $5/3 pounds
C. $13.50/1 hour
D. 15 drops/1 liter