Decimal Addition and Subtraction

(Click on a card to see the solution)

`0.2 + 0.7 =`

`0.3 + 0.8 =`

`0.123 + 0.345 =`

`0.478 + 0.546 =`

`0.9 - 0.3 =`

`0.9 - 0.12 =`

`0.314 - 0.276 =`

`0.547 - 0.418 =`