what is -3 1/5 divided by 8/15 divided by 9 times (-1 1/8)

take the first part: (-16/5 / 8/15)=-16/5 * 15/8=-2/3

now divide again
-(2/3)/(9*9/8)=-(2/3)/(-81/8)=2*8/3*81=16/243 If I understood your problem correctly.

thanks