Respuesta :

(3/4 - 1/8) / (3/4 + 1/2) = 
(6/8 - 1/8) / (3/4 + 2/4) =
(5/8) / (5/4) = 
5/8 * 4/5 =
20/40 reduces to 1/2

its 0.5 that the answer its 1/2