СРОЧНО!!!!!!!!!!!!!!!! (3 3/4* 3/5 - 7 1/2:27+1 2/9):(3 1/6-1 1/4

Question

СРОЧНО!!!!!!!!!!!!!!!!
(3 3/4* 3/5 - 7 1/2:27+1 2/9):(3 1/6-1 1/4

Answer 1

(15/4 * 3/5 - 15/2 : 27 + 11/9) : (19/6-5/4) =
= (45/20 - 15/54 + 11/9):46/24 =
= (2130/1080 + 11/9)*12/23 =
= 3105/972 * 12/23 =
= 37260/22356 =  1    414/621