Question

ME AJUDEM!! calcule: 4 - 1/3 x (1/5 + 1/1) / 1/8 + 139/40=

Answer 1

4 - 1/3 x (1/5+1/1) / 1/8 = 
4 - 1/3 x (1/5+5/5) / 1/8 = 
4 - 1/3 x (6/5) / 1/8 = 
4 - 6/15 / 1/8 = 
4 - 6/15 . 8/1 = 
4 - 48/15 = 
4 - 48:3 / 15:3 = 
4 - 16/5 = 
20/5 - 16/5 =
4/5