We divide 81279851 by 668
We want to divide 81279851 by 668.

Step 1:
The number 668 fits into 8 0 times, leaving a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 668

On to step 2:
If we divide 81 by 668, we get 0 and a remainder of 81.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 81 to get 81.
Append the next digit (2) from the dividend to 81 and continue with: 812 / 668

Advancing to step 3:
668 can be fit into 812 1 times, resulting in a remainder of 144.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 668 from 812 and we're left with 144.
Include the next digit (7) from the dividend after 144, then repeat: 1447 / 668

Advancing to step 4:
668 can be fit into 1447 2 times, resulting in a remainder of 111.
The next digit of our result is 2. 
Result so far: 12.0
If we subtract 1336 from 1447, we get 111.
Take the next digit (9) from the dividend and append it to 111, then repeat: 1119 / 668

Going ahead to step 5:
When dividing 1119 by 668, we get 1 with a remainder of 451.
Use 1 as the next digit of our solution. 
Result so far: 121.0
The remainder is 451 after subtracting 668 from 1119.
Bring next digit (8) of the dividend behind the 451 and repeat the process: 4518 / 668

Let's proceed to step 6:
When dividing 4518 by 668, we get 6 with a remainder of 510.
The number 6 becomes the next digit in our result. 
Result so far: 1216.0
Subtracting 4008 from 4518 leaves us with 510.
Append the next digit (5) from the dividend to 510 and continue with: 5105 / 668

Step 7:
When dividing 5105 by 668, we get 7 with a remainder of 429.
The next digit of our result is 7. 
Result so far: 12167.0
If we subtract 4676 from 5105, we get 429.
Bring next digit (1) of the dividend behind the 429 and repeat the process: 4291 / 668

On to step 8:
668 goes into 4291 6 times with a remainder of 283.
Use 6 as the next digit of our solution. 
Result so far: 121676.0
Subtract 4008 from 4291 to get 283.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2830, and continue the process.

Advancing to step 9:
When dividing 2830 by 668, we get 4 with a remainder of 158.
The number 4 becomes the next digit in our result. 
Result so far: 121676.4
If we subtract 2672 from 2830, we get 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Advancing to step 10:
1580 divided by 668 is 2 with a remainder of 244.
Put 2 as the next digit of the answer. 
Result so far: 121676.42
If we subtract 1336 from 1580, we get 244.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2440, and continue the process.

Going ahead to step 11:
2440 divided by 668 is 3 with a remainder of 436.
The next digit of our result is 3. 
Result so far: 121676.423
If we subtract 2004 from 2440, we get 436.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4360, and continue the process.

Moving on to step 12:
4360 divided by 668 is 6 with a remainder of 352.
Use 6 as the next digit of our solution. 
Result so far: 121676.4236
The remainder is 352 after subtracting 4008 from 4360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3520, and continue the process.

Step 13:
3520 divided by 668 is 5 with a remainder of 180.
Record the quotient 5 as the next digit in the result. 
Result so far: 121676.42365
If we take 3340 away from 3520, we end up with 180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1800, and continue the process.

Let's proceed to step 14:
If we divide 1800 by 668, we get 2 and a remainder of 464.
Write down 2 as next digit of the result. 
Result so far: 121676.423652
The remainder is 464 after subtracting 1336 from 1800.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4640, and continue the process.

Let's proceed to step 15:
668 goes into 4640 6 times with a remainder of 632.
Put 6 as the next digit of the answer. 
Result so far: 121676.4236526
Subtracting 4008 from 4640 leaves us with 632.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6320, and continue the process.

On to step 16:
668 goes into 6320 9 times with a remainder of 308.
The number 9 becomes the next digit in our result. 
Result so far: 121676.42365269
The remainder is 308 after subtracting 6012 from 6320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3080, and continue the process.

The final result is 121676.42365269 with a remainder of 3.08e-07.