1. **State the problem:** We need to find the sum of 5 and 9. 2. **Formula used:** Addition of two numbers is given by $a + b$. 3. **Apply the formula:** Here, $a = 5$ and $b = 9$. 4. **Calculate:** $$5 + 9 = 14$$ 5. **Conclusion:** The sum of 5 and 9 is 14.