How to calculate 12 plus 19 using Long Addition




Here we will show you step-by-step how to calculate 12 plus 19 (12 + 19) using the Long Addition Method. We start by setting up our math problem as follows:

              1 2
      +       1 9
                 

The next step is to add the ones digits together (2 + 9 = 11). Since the sum creates 1 tens digit, we put the 1 in the tens column, and the 1 at the bottom of the ones:

              1  
              1 2
      +       1 9
                1

Then in our final step, we add the tens digits together (including the 1 from the previous step): 1 + 1 + 1 = 3 and put that sum at the bottom:

              1  
              1 2
      +       1 9
              3 1

And that is how you solve 12 plus 19 using the Long Addition Method! The answer is displayed mathematically below:

12 + 19 = 31


Long Addition Calculator
Here you can enter another addition problem for us to explain and solve using the Long Addition Method:

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How to calculate 12 plus 20 using Long Addition
Here is the next math problem we solved using the Long Addition Method.


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