Question

add.
10.254
+ 12.01
_______

Explanation:

Step1: Align decimal points

To add decimals, we align the decimal points. So we can write \(12.01\) as \(12.010\) to have the same number of decimal places as \(10.254\).
Now the addition becomes:

$$
LATEXBLOCK0
$$

Step2: Add the numbers column by column

Starting from the rightmost column (thousandths place): \(4 + 0 = 4\) (thousandths place).
Next, hundredths place: \(5+1 = 6\) (hundredths place).
Then, tenths place: \(2 + 0=2\) (tenths place).
Ones place: \(0 + 2 = 2\) (ones place).
Tens place: \(1+1 = 2\) (tens place).
Putting it all together:

$$
LATEXBLOCK1
$$

Answer:

\(22.264\)