87399131 divided by 931 
We're looking to find how many times 931 goes into 87399131.

Let's proceed to step 1:
When dividing 8 by 931, we get 0 with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 931

Moving on to step 2:
If we divide 87 by 931, we get 0 and a remainder of 87.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 87 after subtracting 0 from 87.
Include the next digit (3) from the dividend after 87, then repeat: 873 / 931

Moving on to step 3:
If we divide 873 by 931, we get 0 and a remainder of 873.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 873 leaves us with 873.
Fetch the next digit (9) from the dividend, attach it to 873 and continue: 8739 / 931

Step 4:
931 goes into 8739 9 times with a remainder of 360.
Write down 9 as next digit of the result. 
Result so far: 9.0
If we subtract 8379 from 8739, we get 360.
Take the next digit (9) from the dividend and append it to 360, then repeat: 3609 / 931

Advancing to step 5:
The number 931 fits into 3609 3 times, leaving a remainder of 816.
Write down 3 as next digit of the result. 
Result so far: 93.0
Subtracting 2793 from 3609 leaves us with 816.
Bring next digit (1) of the dividend behind the 816 and repeat the process: 8161 / 931

On to step 6:
The number 931 fits into 8161 8 times, leaving a remainder of 713.
Use 8 as the next digit of our solution. 
Result so far: 938.0
Subtract 7448 from 8161 to get 713.
Include the next digit (3) from the dividend after 713, then repeat: 7133 / 931

Advancing to step 7:
The number 931 fits into 7133 7 times, leaving a remainder of 616.
The number 7 becomes the next digit in our result. 
Result so far: 9387.0
Subtract 6517 from 7133 to get 616.
Append the next digit (1) from the dividend to 616 and continue with: 6161 / 931

Moving on to step 8:
6161 divided by 931 is 6 with a remainder of 575.
The next digit of our result is 6. 
Result so far: 93876.0
Subtract 5586 from 6161 to get 575.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5750, and continue the process.

Going ahead to step 9:
931 goes into 5750 6 times with a remainder of 164.
Put 6 as the next digit of the answer. 
Result so far: 93876.6
If we subtract 5586 from 5750, we get 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Going ahead to step 10:
If we divide 1640 by 931, we get 1 and a remainder of 709.
Write down 1 as next digit of the result. 
Result so far: 93876.61
Subtract 931 from 1640 to get 709.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7090, and continue the process.

Step 11:
931 can be fit into 7090 7 times, resulting in a remainder of 573.
Write down 7 as next digit of the result. 
Result so far: 93876.617
If we subtract 6517 from 7090, we get 573.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5730, and continue the process.

Going ahead to step 12:
If we divide 5730 by 931, we get 6 and a remainder of 144.
Write down 6 as next digit of the result. 
Result so far: 93876.6176
Subtract 5586 from 5730 to get 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Step 13:
If we divide 1440 by 931, we get 1 and a remainder of 509.
Record the quotient 1 as the next digit in the result. 
Result so far: 93876.61761
If we take 931 away from 1440, we end up with 509.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5090, and continue the process.

Let's proceed to step 14:
When dividing 5090 by 931, we get 5 with a remainder of 435.
Use 5 as the next digit of our solution. 
Result so far: 93876.617615
If we take 4655 away from 5090, we end up with 435.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4350, and continue the process.

Moving on to step 15:
931 can be fit into 4350 4 times, resulting in a remainder of 626.
The number 4 becomes the next digit in our result. 
Result so far: 93876.6176154
Subtracting 3724 from 4350 leaves us with 626.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6260, and continue the process.

On to step 16:
If we divide 6260 by 931, we get 6 and a remainder of 674.
Write down 6 as next digit of the result. 
Result so far: 93876.61761546
Subtract 5586 from 6260 to get 674.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6740, and continue the process.

The final outcome is 93876.61761546, with a leftover of 6.74e-07.