Question

Efetue:
(8,-3/10) + (1/8,-3/10)=(x,y)

Answer 1

(8, -3/10) + (1/8, -3/10) = (x,y)
(8 + 1/8, -3/10 + (-3/10)) = (x,y)
((64+1)/8, - 3/10 - 3/10) = (x,y)
(65/8, -6/10) = (x,y)
(65/8, -3/5) = (x,y)