Question

la respuesta de 9/4 _ 2/3 / 4/5_1

Answer 1

9/4-(2/3)/(4/5) -1
9/4-10/12 -1
9*3/12 -10/12-12/12
27/12-10/12-12/12
(27-24)/12
3/12
simplificando --------------1/4