Here’s an example of addition in decimal numbers:

Example: Add 12.5 and 7.3.

Step-by-Step Solution:

1. Align the numbers by their decimal points:

   12.5
   

• 7.3

---

2. Add the digits from right to left:
- **Rightmost column**: $$5 + 3 = 8$$
- **Next column**: $$2 + 7 = 9$$
- **Leftmost column**: $$1 + 0 = 1$$ (There's no digit above the "1.")

3. Write the result:

12.5

• 7.3

---

 19.8

### Final Answer:
The sum of **12.5** and **7.3** is **19.8**.

---

Would you like more examples or details? Here are 5 related questions for practice:

1. Add **23.45** and **56.78**.
2. What is the sum of **102.1** and **87.6**?
3. Solve: **3.141 + 2.718**.
4. Add **0.006** and **12.004**.
5. What is the sum of **12.34**, **45.67**, and **89.01**?

**Tip:** Always align decimal points to ensure proper addition!