Question

Find the sum of $13.9+109.003+0.87$ ?

Answer 1

Step 1:Converting to like decimals

$$\begin{gathered} 13.9=013.900 \\ 109.003=109.003 \\ 000.870=000.870 \end{gathered}$$

Step 2:Line up the decimal vertically

Write the decimals one below the other as per the places of the digits.

$$\begin{gathered} 013.900 \\ 109.003 \\ 000.870 \end{gathered}$$

Step 3:Adding decimals

Add or subtract starting from the rightmost digit and moving towards the leftmost digit.Add or subtract starting from the rightmost digit and moving towards the leftmost digit.Place the decimal point under the decimal point in the answer.

$1013.900109.003+000.870123.773$

Hence the sum of $13.9+109.003+0.87$ is $123.773$