5/6-2(-1 3/4)/5 1/5

5/6 - 2(-1 3/4)/(5 1/5)

5/6 - 2(-7/4)/(26/5)
5/6 - 2(-7/4)(5/26)
5/6 + 35/52
(5*32 + 35*6)/312
470/312
235/156