= 4 2/3+ 3 3/4 - 2 5/6+ 5 3/8 - 3 1/3= 4 (2•4)/(3•4) + 3 (3•3)/(4•3) - 2 (5•2)/(6•2)+ 5 3/8 - 3 1/3= 4 8/12+ 3 9/12- 2 10/12 + 5 3/8- 3 1/3= 7 17/12- 2 10/12+ 5 3/8- 3 1/3= 5 7/12+ 5 3/8 - 3 1/3= 5 (7•2)/(12•2)+ 5 (3•3)/(8•3) - 3 (1•8)/(3•8)= 5 14/24+ 5 9/24- 3 8/24= 10 23/24 - 3 8/24= 7 15/24= 7 5/8.