(-2 2/11 * 4,125 + 1.6 * 3 3/4):(9-5 5/6* 2 4/7)

Question

(-2 2/11 * 4,125 + 1.6 * 3 3/4):(9-5 5/6* 2 4/7)

Answer 1

(-2 2/11 * 4,125 + 1.6 * 3 3/4):(9-5 5/6* 2 4/7) =

(-24/11 * 33/8 + 8/5 * 15/4) : (9 - 35/6 * 18/7) =

(-9 + 6) : (9 - 15) = (-3):(-6) = 1/2;