(1целая2/3+2целых4/9):(4целых26/27-2целых2/9)=?

Question

(1целая2/3+2целых4/9):(4целых26/27-2целых2/9)=?

Answer 1

(3цел7/9):(6цел32/27)=3цел21/27 : 7цел5/27=102/27:189/27=102/27*27/189=34/63