0.9•(1 5/9-4/9:(5/8+3/8:3))=?СРОЧНО ООО!!!!!!!!!!!!!!

Question

0.9•(1 5/9-4/9:(5/8+3/8:3))=?
СРОЧНО ООО!!!!!!!!!!!!!!

Answer 1

0,9 * (1 5/9 - 4/9 : (5/8 + 3/8 : 3)) = 1 14/15

1) 3/8 : 3 = 3/8 * 1/3 = 3/24 = 1/8
2) 5/8 + 1/8 = 6/8 = 3/4
3) 4/9 : 3/4 = 4/9 * 4/3 = 16/27
4) 1 5/9 + 16/27 = 1 15/27 + 16/27 = 1 31/27 = 2 4/27
5) 0,9 * 2 4/27 = 9/10 * 58/27 = (1*29)/(5*3) = 29/15 = 1 14/15