Question

add: 2.134 + 345.04 366.838 347.178 366.174 347.174

Explanation:

Step1: Align decimal points

Align the numbers by their decimal points:

$$\begin{align*} &\quad\ 2.134\\ +&345.040\\ \hline \end{align*}$$

Step2: Add digit by digit

Add from the rightmost digit:

$$\begin{align*} &\quad\ 2.134\\ +&345.040\\ \hline &347.174\\ \end{align*}$$

Answer:

347.174