How to calculate 66 plus 67 using Long Addition




Here we will show you step-by-step how to calculate 66 plus 67 (66 + 67) using the Long Addition Method. We start by setting up our math problem as follows:

              6 6
      +       6 7
                 

The next step is to add the ones digits together (6 + 7 = 13). Since the sum creates 1 tens digit, we put the 1 in the tens column, and the 3 at the bottom of the ones:

              1  
              6 6
      +       6 7
                3

Then in our final step, we add the tens digits together (including the 1 from the previous step): 6 + 6 + 1 = 13 and put that sum at the bottom:

              1  
              6 6
      +       6 7
            1 3 3

And that is how you solve 66 plus 67 using the Long Addition Method! The answer is displayed mathematically below:

66 + 67 = 133


Long Addition Calculator
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How to calculate 66 plus 68 using Long Addition
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