Here we will show you step-by-step how to calculate 78 plus 71 (78 + 71) using the Long Addition Method. We start by setting up our math problem as follows:
| 7 | 8 | |||||||
| + | 7 | 1 | ||||||
The next step is to add the ones digits together (8 + 1 = 9) like this:
| 7 | 8 | |||||||
| + | 7 | 1 | ||||||
| 9 |
Then in our final step, we add the tens digits together (7 + 7 = 14) like this:
| 7 | 8 | |||||||
| + | 7 | 1 | ||||||
| 1 | 4 | 9 |
And that is how you solve 78 plus 71 using the Long Addition Method! The answer is displayed mathematically below:
78 + 71 = 149
Long Addition Calculator
Here you can enter another addition problem for us to explain and solve using the Long Addition Method: