What is -2 1/2 ÷ 6?

A. -2 1/6
B. 2 1/6
C. -5/12
D. 5/12

What is 5 1/4 ÷ 1 5/9?

A. 4 1/4
B. 8 1/6
C. 3 1/4
D. 3 3/8