Solve Decimal Subtraction: 0.3 - 0.2 Step by Step

To solve this subtraction problem effectively, we can follow a clear method of subtracting decimal numbers:

• Step 1: Align the decimal numbers vertically by their decimal points.
• Step 2: Write the numbers as:
  $\begin{array}{c} \\ 0.3\\ -0.2\\ \hline \end{array}$
• Step 3: Subtract the digits from right to left. Here, we only have the tenths place to consider.
• Subtract $2$ tenths from $3$ tenths: $3 - 2 = 1$.
• Step 4: The result of the subtraction is $0.1$.

Thus, the result of the subtraction $0.3 - 0.2$ is $0.1$.