Question

3 1/2 minus 4 2/5 . . . .

Answer 1

Answer:
`-(9)/(10)\quad \left(\mathrm{Decimal:\quad }\:-0.9\right)`

Step-by-step explanation:

`3(1)/(2)-4(2)/(5)`

`=(7)/(2)-4(2)/(5)`

`=(7)/(2)-(22)/(5)`

`=(35)/(10)-(44)/(10)`

`=(35-44)/(10)`

`=(-9)/(10)`

`=-(9)/(10)`

Answer 2

-9/10

Explanation:

negative nine tenths