What is 240 + 45?

240 + 45 is a simple arithmetic addition problem that can be solved as follows:

• Start with the ones digits: 0 + 5 = 5
• Move to the tens digits: 4 + 4 (carrying 1 from the ones digits) = 8
• Finally, add the hundreds digits: 2 + 0 (plus the carried 1 from the tens digits) = 3

Therefore, 240 + 45 = 285.