The result of $10 + 5$ is:

$10 + 5 = 15$

Would you like more details or have any questions? Here are some related questions you might find interesting:

1. What is $12 + 7$?
2. How does addition work with negative numbers?
3. What is the difference between addition and multiplication?
4. Can you add fractions with different denominators? How?
5. What is the associative property of addition?

Tip: When adding numbers, you can group them in any order (associative property) and still get the same result.