What is 30 + 27?

To find the sum of 30 and 27, you simply add the two numbers together. Starting with 30, you can break down the addition as follows:

1. Start with 30.

2. Add 20 to get to 50.

3. Then, add the remaining 7, which gives you:

50 + 7 = 57.

This calculation confirms that the correct answer to 30 + 27 is indeed 57. The addition can also be verified by stacking the numbers vertically:

30

+ 27

____

57

This method further illustrates that if you combine the tens (30 and 20) to get 50, and then add the ones (0 and 7) to arrive at a total of 57, it aligns with the arithmetic rules of addition.