The sum of $1 + 1$ is:

$1 + 1 = 2$

Would you like to explore more about basic addition, or do you have any other questions?

Related Questions:

1. What is $2 + 2$?
2. How do you perform addition with larger numbers?
3. What is the difference between addition and multiplication?
4. Can you explain the properties of addition?
5. How do you add fractions?

Tip: Addition is the basic building block for all arithmetic operations!