Question

calcule (2/3-i) -(1/4+i)

Answer 1

(2/3 - i) - (1/4 + i) = 
2/3 - i - 1/4 - i = 
2/3 - 1/4 - i - i = 
(12:3.2)/12 - (12:4.1)/12 - 2i = 
8/12 - 3/12 - 2i = 
5/12 - 2i = 
5/12 - 24i/12 = (5-24i)/12