Question

How do you simplify `4.7+5.26+8.931`?

Answer 1

`18.891`

Explanation:

Adding with decimals is exactly the same as adding with hundreds, tens and units.
Only numbers with the same place value can be added together.

Hints:`rarr` align the decimal points under each other
`" "rarr` fill in zeros for missing decimal places
`" "rarr` add as usual from right to left, (carry any tens)

`" "4.700`
`" "+5.260`
`" "+ul8.931`
`" "18.891`