(1+2 2/3):(4/5 - 4/15)=

Question

(1+2 2/3):(4/5 - 4/15)=

Answer 1

=(1+8/3):(12/15/-4/15)=(3/3+8/3):(8/15)=11/3:8/15=11/3*5/18=55/54=1 1/54

Comments

спасибо