Question

(13/15-9/15) - (3/8-1/2) me pueden ayudar a resolver gracias

Answer 1

Resolver.

(13/15 - 9/15) -  (3/8 - 1/2) =
((13 - 9)/15) - (3/8 - 4/8)
4/15 - ( (3 - 4)/8) =
4/15 - (- 1/8) =
4/15 + 1/8 =
(4 * 8)/(15 * 8) + (1 * 15)/(8 * 15) =
32/120 + 15/120 =
47/120

Respuesta.
47/120

Answer 2

R=47/120 espero que te sirva: )