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.