-1/12 * 3/5 - 2/3 : (-10/9)= Помогите прошу!

Question

-1/12 * 3/5 - 2/3 : (-10/9)=


Помогите прошу!

Answer 1

1) -1/12 * 3/5 = -1/20
2) 2/3 : (-10/9) = 2/3 * (-9/10) = -3/5
3) -1/20 - (-3/5) = -1/20 + 3/5 = (-1 + 3*4)/20 = 11/20

-1/12 * 3/5 - 2/3 : (-10/9) = -1/20 + 3/5 = 11/20