91070147 divided by 861 
Our goal is to divide 91070147 by 861.

Moving on to step 1:
861 goes into 9 0 times with a remainder of 9.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 9, we get 9.
Grab the next digit (1) from the dividend, add it to 9, then carry on: 91 / 861

Advancing to step 2:
If we divide 91 by 861, we get 0 and a remainder of 91.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 91 leaves us with 91.
Fetch the next digit (0) from the dividend, attach it to 91 and continue: 910 / 861

On to step 3:
861 can be fit into 910 1 times, resulting in a remainder of 49.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 861 from 910 leaves us with 49.
Bring next digit (7) of the dividend behind the 49 and repeat the process: 497 / 861

Advancing to step 4:
If we divide 497 by 861, we get 0 and a remainder of 497.
Write down 0 as next digit of the result. 
Result so far: 10.0
Subtract 0 from 497 to get 497.
Fetch the next digit (0) from the dividend, attach it to 497 and continue: 4970 / 861

Going ahead to step 5:
The number 861 fits into 4970 5 times, leaving a remainder of 665.
Write down 5 as next digit of the result. 
Result so far: 105.0
If we take 4305 away from 4970, we end up with 665.
Take the next digit (1) from the dividend and append it to 665, then repeat: 6651 / 861

Advancing to step 6:
When dividing 6651 by 861, we get 7 with a remainder of 624.
Put 7 as the next digit of the answer. 
Result so far: 1057.0
If we subtract 6027 from 6651, we get 624.
Append the next digit (4) from the dividend to 624 and continue with: 6244 / 861

Moving on to step 7:
861 goes into 6244 7 times with a remainder of 217.
Write down 7 as next digit of the result. 
Result so far: 10577.0
If we subtract 6027 from 6244, we get 217.
Grab the next digit (7) from the dividend, add it to 217, then carry on: 2177 / 861

Step 8:
When dividing 2177 by 861, we get 2 with a remainder of 455.
Record the quotient 2 as the next digit in the result. 
Result so far: 105772.0
Subtract 1722 from 2177 to get 455.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4550, and continue the process.

Let's proceed to step 9:
When dividing 4550 by 861, we get 5 with a remainder of 245.
The next digit of our result is 5. 
Result so far: 105772.5
Subtracting 4305 from 4550 leaves us with 245.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2450, and continue the process.

On to step 10:
861 goes into 2450 2 times with a remainder of 728.
The next digit of our result is 2. 
Result so far: 105772.52
If we take 1722 away from 2450, we end up with 728.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7280, and continue the process.

On to step 11:
The number 861 fits into 7280 8 times, leaving a remainder of 392.
Record the quotient 8 as the next digit in the result. 
Result so far: 105772.528
If we subtract 6888 from 7280, we get 392.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3920, and continue the process.

Advancing to step 12:
3920 divided by 861 is 4 with a remainder of 476.
The number 4 becomes the next digit in our result. 
Result so far: 105772.5284
Deduct 3444 from 3920 and we're left with 476.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4760, and continue the process.

On to step 13:
The number 861 fits into 4760 5 times, leaving a remainder of 455.
The number 5 becomes the next digit in our result. 
Result so far: 105772.52845
Subtracting 4305 from 4760 leaves us with 455.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4550, and continue the process.

Step 14:
When dividing 4550 by 861, we get 5 with a remainder of 245.
Put 5 as the next digit of the answer. 
Result so far: 105772.528455
The remainder is 245 after subtracting 4305 from 4550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2450, and continue the process.

After the division, we end up with 105772.528455 and a remainder of 2.45e-05.