How to calculate 83 multiplied by 77 using long multiplication. Here is step-by-step how to calculate 83 times 77 using long multiplication:
Step 1: Setup
Set up your multiplication problem like this:
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
Step 2: Multiply
3 x 7 = 21. Put 1 below the line and 2 as a reminder on top:
| 2 | ||||||||
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
| 1 |
Step 3: Multiply
7 x 8 = 56. Take 56 and add 2 from the previous step to get 58. Enter 58 at the bottom:
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
| 5 | 8 | 1 |
Step 4: Add 0
Enter a 0 at the bottom right as a place holder, because you now move over one digit:
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
| 5 | 8 | 1 | ||||||
| + | 0 |
Step 5: Multiply
7 x 3 = 21. Put 1 below the line and 2 as a reminder on top:
| 2 | ||||||||
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
| 5 | 8 | 1 | ||||||
| + | 1 | 0 |
Step 6: Multiply
7 x 8 = 56. Take 56 and add 2 from the previous step to get 58. Enter 58 at the bottom:
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
| 5 | 8 | 1 | ||||||
| + | 5 | 8 | 1 | 0 |
Step 7: Add to get answer
Add up the bottom two numbers (581 + 5810 = 6391) to get the answer:
| 8 | 3 | |||||||
| x | 7 | 7 | ||||||
| 5 | 8 | 1 | ||||||
| + | 5 | 8 | 1 | 0 | ||||
| = | 6 | 3 | 9 | 1 |
The bottom line is the answer. Therefore, 83 times 77 equals:
6391
Long Multiplication Calculator
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How to calculate 84 multiplied by 77
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