Respuesta :
When adding decimals you would line up the decimal points and fill blank spots with zeros.
so...
0.654
+ 0.450
⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻
1.104.
When adding up decimals you have to aline the decimals and fill in the blank spots with zeros. Then you add like you normally would.