Question

4x+4y totul/12x+12y ,,,,,,,,,,,,,,,,,,,,

Answer 1

4x+4y=4(x+y) 12x+12y=12(x+y) Rezultat final=1/3

Answer 2

$\frac{4x+4y}{12x+12y} = \frac{4(x+y)}{12(x+y)} = \frac{x+y}{3(x+y)}= \frac{1}{3}$
Succes !