Let's divide 231215 by 19
We want to divide 231215 by 19.

Going ahead to step 1:
When dividing 2 by 19, we get 0 with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Include the next digit (3) from the dividend after 2, then repeat: 23 / 19

Advancing to step 2:
The number 19 fits into 23 1 times, leaving a remainder of 4.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 19 away from 23, we end up with 4.
Bring next digit (1) of the dividend behind the 4 and repeat the process: 41 / 19

On to step 3:
When dividing 41 by 19, we get 2 with a remainder of 3.
Record the quotient 2 as the next digit in the result. 
Result so far: 12.0
Deduct 38 from 41 and we're left with 3.
Grab the next digit (2) from the dividend, add it to 3, then carry on: 32 / 19

Going ahead to step 4:
19 can be fit into 32 1 times, resulting in a remainder of 13.
Record the quotient 1 as the next digit in the result. 
Result so far: 121.0
If we take 19 away from 32, we end up with 13.
Take the next digit (1) from the dividend and append it to 13, then repeat: 131 / 19

Advancing to step 5:
131 divided by 19 is 6 with a remainder of 17.
Put 6 as the next digit of the answer. 
Result so far: 1216.0
If we subtract 114 from 131, we get 17.
Take the next digit (5) from the dividend and append it to 17, then repeat: 175 / 19

On to step 6:
175 divided by 19 is 9 with a remainder of 4.
Write down 9 as next digit of the result. 
Result so far: 12169.0
The remainder is 4 after subtracting 171 from 175.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Advancing to step 7:
If we divide 40 by 19, we get 2 and a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 12169.2
If we take 38 away from 40, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 8:
19 can be fit into 20 1 times, resulting in a remainder of 1.
Write down 1 as next digit of the result. 
Result so far: 12169.21
The remainder is 1 after subtracting 19 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 9:
10 divided by 19 is 0 with a remainder of 10.
The next digit of our result is 0. 
Result so far: 12169.21
If we take 0 away from 10, we end up 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.

On to step 10:
19 can be fit into 100 5 times, resulting in a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 12169.2105
The remainder is 5 after subtracting 95 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 11:
50 divided by 19 is 2 with a remainder of 12.
Record the quotient 2 as the next digit in the result. 
Result so far: 12169.21052
If we take 38 away from 50, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 12:
19 can be fit into 120 6 times, resulting in a remainder of 6.
The number 6 becomes the next digit in our result. 
Result so far: 12169.210526
If we take 114 away from 120, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 13:
19 can be fit into 60 3 times, resulting in a remainder of 3.
Record the quotient 3 as the next digit in the result. 
Result so far: 12169.2105263
If we take 57 away from 60, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Step 14:
19 can be fit into 30 1 times, resulting in a remainder of 11.
Write down 1 as next digit of the result. 
Result so far: 12169.21052631
Deduct 19 from 30 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

The final result is 12169.21052631 with a remainder of 1.1e-08.