(-3,5+4)*(2 1/3 - 4 1/2)=?

Question

(-3,5+4)*(2 1/3 - 4 1/2)=?

Answer 1

(0,5)*(7/3 - 9/2)=(1/2)*(7*2/ 6  - 9*3/6)=(1/2)*((14-27)/6)=(1/2)*(-13/6)= -13/12 = -1 1/12