Question

(-1/5)+(- 3 4/5)+(- 8 3/20)=? Помогите пж!!!!!​

Answer 1

(-1/5) + (- 3 4/5) + (- 8 3/20) =

= - (1/5 + 3 4/5 + 8 3/20) =

= - (4/20 + 3 16/20 + 8 3/20) =

= - (11 23/20) = - 12 3/20