20.64 + 1.40 + 1.66= how do i do this

Question

I am lost how do you add this quiestion please help me

Answer 1

When adding with decimals you want to make sure you line up the decimals vertically

 

+  20.64

+    1.40

+    1.66

_________

 

now you can add just like any other numbers (including carrying to the next column). your decimal will come straight down in your answer