Decimal Addition Problem: Solve 0.5 + 0.3

To solve this problem, follow these steps:

• Step 1: Align the numbers vertically by their decimal point. Write $0.5$ and $0.3$ ensuring the decimal points are aligned.
• Step 2: Perform the addition:
        0.5
  +    0.3
  —---------
• Step 3: Add the numbers starting from the right (tenths place):
  - Add $0.5 + 0.3 = 0.8$.

Therefore, the sum of $0.5$ and $0.3$ is $0.8$.