Let's divide 81492385 by 870
Our goal is to divide 81492385 by 870.

Going ahead to step 1:
870 can be fit into 8 0 times, resulting in a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Append the next digit (1) from the dividend to 8 and continue with: 81 / 870

Step 2:
When dividing 81 by 870, we get 0 with a remainder of 81.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 81, we get 81.
Fetch the next digit (4) from the dividend, attach it to 81 and continue: 814 / 870

Step 3:
870 goes into 814 0 times with a remainder of 814.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 814, we get 814.
Grab the next digit (9) from the dividend, add it to 814, then carry on: 8149 / 870

Step 4:
The number 870 fits into 8149 9 times, leaving a remainder of 319.
Use 9 as the next digit of our solution. 
Result so far: 9.0
Subtract 7830 from 8149 to get 319.
Grab the next digit (2) from the dividend, add it to 319, then carry on: 3192 / 870

Advancing to step 5:
870 goes into 3192 3 times with a remainder of 582.
Put 3 as the next digit of the answer. 
Result so far: 93.0
Subtracting 2610 from 3192 leaves us with 582.
Append the next digit (3) from the dividend to 582 and continue with: 5823 / 870

Step 6:
870 goes into 5823 6 times with a remainder of 603.
The next digit of our result is 6. 
Result so far: 936.0
If we take 5220 away from 5823, we end up with 603.
Append the next digit (8) from the dividend to 603 and continue with: 6038 / 870

Let's proceed to step 7:
When dividing 6038 by 870, we get 6 with a remainder of 818.
The number 6 becomes the next digit in our result. 
Result so far: 9366.0
If we take 5220 away from 6038, we end up with 818.
Include the next digit (5) from the dividend after 818, then repeat: 8185 / 870

Going ahead to step 8:
8185 divided by 870 is 9 with a remainder of 355.
Use 9 as the next digit of our solution. 
Result so far: 93669.0
If we take 7830 away from 8185, we end up with 355.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3550, and continue the process.

Let's proceed to step 9:
870 can be fit into 3550 4 times, resulting in a remainder of 70.
The next digit of our result is 4. 
Result so far: 93669.4
If we take 3480 away from 3550, we end up with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 10:
870 can be fit into 700 0 times, resulting in a remainder of 700.
Write down 0 as next digit of the result. 
Result so far: 93669.4
Subtract 0 from 700 to get 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7000, and continue the process.

Going ahead to step 11:
The number 870 fits into 7000 8 times, leaving a remainder of 40.
The number 8 becomes the next digit in our result. 
Result so far: 93669.408
Subtracting 6960 from 7000 leaves us 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.

Moving on to step 12:
The number 870 fits into 400 0 times, leaving a remainder of 400.
Use 0 as the next digit of our solution. 
Result so far: 93669.408
Deduct 0 from 400 and we're left with 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

Moving on to step 13:
4000 divided by 870 is 4 with a remainder of 520.
Use 4 as the next digit of our solution. 
Result so far: 93669.40804
Subtracting 3480 from 4000 leaves us with 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Moving on to step 14:
870 goes into 5200 5 times with a remainder of 850.
The number 5 becomes the next digit in our result. 
Result so far: 93669.408045
If we subtract 4350 from 5200, we get 850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8500, and continue the process.

Moving on to step 15:
870 goes into 8500 9 times with a remainder of 670.
Use 9 as the next digit of our solution. 
Result so far: 93669.4080459
Deduct 7830 from 8500 and we're left with 670.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6700, and continue the process.

Step 16:
If we divide 6700 by 870, we get 7 and a remainder of 610.
Use 7 as the next digit of our solution. 
Result so far: 93669.40804597
Subtracting 6090 from 6700 leaves us with 610.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6100, and continue the process.

In conclusion, the division gives 93669.40804597 with a balance of 6.1e-07.