– 8/5 – ( 21/4 ) – 1/2 =?

-8/5 – 21/4 – 1/2
= -8/5 – 21/4 – 2/4
= -8/5 – 23/4
= -32-115 / 20
= -147/20

-8/5-21/4-1/2
=-32-105-10/20
=-137-10/20
=-147/20
= – 7 7/20