(3\8+5\12)•4 (5\6-2\9):11

Question

(3\8+5\12)•4
(5\6-2\9):11

Answer 1

(3\8+5\12)•4=( 9/24+10/24)*4=19/24*4=19/6=3 1/6
(5\6-2\9):11-(15/18-4/18): 11=11/18*1/11=1/18