How to calculate 63 plus 18 using Long Addition




Here we will show you step-by-step how to calculate 63 plus 18 (63 + 18) using the Long Addition Method. We start by setting up our math problem as follows:

              6 3
      +       1 8
                 

The next step is to add the ones digits together (3 + 8 = 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  
              6 3
      +       1 8
                1

Then in our final step, we add the tens digits together (including the 1 from the previous step): 6 + 1 + 1 = 8 and put that sum at the bottom:

              1  
              6 3
      +       1 8
              8 1

And that is how you solve 63 plus 18 using the Long Addition Method! The answer is displayed mathematically below:

63 + 18 = 81


Long Addition Calculator
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How to calculate 63 plus 19 using Long Addition
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