We look at the division of 86810 by 70 
We want to divide 86810 by 70.

Advancing to step 1:
The number 70 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 (6) from the dividend to 8 and continue with: 86 / 70

On to step 2:
70 goes into 86 1 times with a remainder of 16.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we take 70 away from 86, we end up with 16.
Grab the next digit (8) from the dividend, add it to 16, then carry on: 168 / 70

Going ahead to step 3:
If we divide 168 by 70, we get 2 and a remainder of 28.
The number 2 becomes the next digit in our result. 
Result so far: 12.0
Deduct 140 from 168 and we're left with 28.
Fetch the next digit (1) from the dividend, attach it to 28 and continue: 281 / 70

Step 4:
70 can be fit into 281 4 times, resulting in a remainder of 1.
Write down 4 as next digit of the result. 
Result so far: 124.0
The remainder is 1 after subtracting 280 from 281.
Take the next digit (0) from the dividend and append it to 1, then repeat: 10 / 70

Moving on to step 5:
70 can be fit into 10 0 times, resulting in a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 1240.0
Deduct 0 from 10 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 6:
If we divide 100 by 70, we get 1 and a remainder of 30.
Put 1 as the next digit of the answer. 
Result so far: 1240.1
Subtracting 70 from 100 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 7:
70 goes into 300 4 times with a remainder of 20.
The next digit of our result is 4. 
Result so far: 1240.14
Subtracting 280 from 300 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 8:
When dividing 200 by 70, we get 2 with a remainder of 60.
Write down 2 as next digit of the result. 
Result so far: 1240.142
Subtract 140 from 200 to get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 9:
70 goes into 600 8 times with a remainder of 40.
Use 8 as the next digit of our solution. 
Result so far: 1240.1428
Deduct 560 from 600 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 10:
400 divided by 70 is 5 with a remainder of 50.
The next digit of our result is 5. 
Result so far: 1240.14285
The remainder is 50 after subtracting 350 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 11:
When dividing 500 by 70, we get 7 with a remainder of 10.
The next digit of our result is 7. 
Result so far: 1240.142857
If we subtract 490 from 500, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 12:
When dividing 100 by 70, we get 1 with a remainder of 30.
Put 1 as the next digit of the answer. 
Result so far: 1240.1428571
Subtracting 70 from 100 leaves us with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 13:
70 can be fit into 300 4 times, resulting in a remainder of 20.
Use 4 as the next digit of our solution. 
Result so far: 1240.14285714
The remainder is 20 after subtracting 280 from 300.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final result is 1240.14285714 with a remainder of 2e-08.