Question

cuanto es porfa ((11/2-7/2)*4/7)-(11/42)

Answer 1

(11-7)/2*(4/7)-(11/42)
2*4/7-(11/42)
6/7-11/42 (a 6/7 lo multiplico por 6)
36/42-11/42
25/42

Answer 2

11/2-7/2=4/2=2
2×4/7=8/7
8/7-11/42=48/42
48/42-11/42=37/42