(3 1/5×1 1/24+3×5/6)×4/21-1 1/9

Question

(3 1/5×1 1/24+3×5/6)×4/21-1 1/9

Answer 1

1)31/5×11/24=341/120
2)3/1×5/6=15/6=5/2
3)342/120+5/2=(324+300)/120=642/120
4)642/120×4/21=642/21
5)642/21-11/9=(1926-77)/63=1849/63=29Целых 22/63
ответ: 29целых 22/63