The sum of $10 + 16$ is $26$.

Would you like any further details or explanations?

Here are a few related questions:

1. What is the result of $20 + 30$?
2. How would you solve $15 + 35$?
3. What is the sum of $45 + 55$?
4. How does addition differ from subtraction?
5. Can we use addition to solve problems in multiplication?

Tip: In addition, the order of the numbers does not matter; this property is known as commutativity.