(2 5/6-3 4/5*1 1/9):(-3.75) помогите пожалуйста!!!!!!!!!!!!!!!!!!!!!!!!!!

=(17/6-19/5×10/9)÷(-3_3/4)= (17/6-38/9)÷(-15/4)=(51/18-76/18)×(-4/15)=(-25/18)(-4/15)=(25×4)/(18×15)=(5×2)/(9×3)=10/27