
Here we will show you step-by-step how to calculate 81 plus 64 (81 + 64) using the Long Addition Method. We start by setting up our math problem as follows:
8 | 1 | |||||||
+ | 6 | 4 | ||||||
The next step is to add the ones digits together (1 + 4 = 5) like this:
8 | 1 | |||||||
+ | 6 | 4 | ||||||
5 |
Then in our final step, we add the tens digits together (8 + 6 = 14) like this:
8 | 1 | |||||||
+ | 6 | 4 | ||||||
1 | 4 | 5 |
And that is how you solve 81 plus 64 using the Long Addition Method! The answer is displayed mathematically below:
81 + 64 = 145
Long Addition Calculator
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