Let's divide 21396 by 19
We're looking to find how many times 19 goes into 21396.

On to step 1:
When dividing 2 by 19, we get 0 with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Include the next digit (1) from the dividend after 2, then repeat: 21 / 19

Moving on to step 2:
19 goes into 21 1 times with a remainder of 2.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 19 from 21, we get 2.
Append the next digit (3) from the dividend to 2 and continue with: 23 / 19

Going ahead to step 3:
If we divide 23 by 19, we get 1 and a remainder of 4.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
Subtracting 19 from 23 leaves us with 4.
Grab the next digit (9) from the dividend, add it to 4, then carry on: 49 / 19

Going ahead to step 4:
The number 19 fits into 49 2 times, leaving a remainder of 11.
The next digit of our result is 2. 
Result so far: 112.0
The remainder is 11 after subtracting 38 from 49.
Fetch the next digit (6) from the dividend, attach it to 11 and continue: 116 / 19

Advancing to step 5:
116 divided by 19 is 6 with a remainder of 2.
Record the quotient 6 as the next digit in the result. 
Result so far: 1126.0
Subtracting 114 from 116 leaves us 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.

Moving on to step 6:
19 can be fit into 20 1 times, resulting in a remainder of 1.
Use 1 as the next digit of our solution. 
Result so far: 1126.1
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 7:
The number 19 fits into 10 0 times, leaving a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 1126.1
Subtracting 0 from 10 leaves us 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.

Step 8:
If we divide 100 by 19, we get 5 and a remainder of 5.
Put 5 as the next digit of the answer. 
Result so far: 1126.105
If we subtract 95 from 100, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Step 9:
When dividing 50 by 19, we get 2 with a remainder of 12.
Use 2 as the next digit of our solution. 
Result so far: 1126.1052
Deduct 38 from 50 and we're left 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.

Going ahead to step 10:
19 goes into 120 6 times with a remainder of 6.
The next digit of our result is 6. 
Result so far: 1126.10526
The remainder is 6 after subtracting 114 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 11:
19 can be fit into 60 3 times, resulting in a remainder of 3.
The number 3 becomes the next digit in our result. 
Result so far: 1126.105263
The remainder is 3 after subtracting 57 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 12:
19 can be fit into 30 1 times, resulting in a remainder of 11.
Record the quotient 1 as the next digit in the result. 
Result so far: 1126.1052631
Subtract 19 from 30 to get 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Moving on to step 13:
19 goes into 110 5 times with a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 1126.10526315
Subtracting 95 from 110 leaves us with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

After the division, we end up with 1126.10526315 and a remainder of 1.5e-08.