218229 divided by 21 
We want to divide 218229 by 21.

Advancing to step 1:
The number 21 fits into 2 0 times, leaving a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Append the next digit (1) from the dividend to 2 and continue with: 21 / 21

Step 2:
21 can be fit into 21 1 times, resulting in a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 21 away from 21, we end up with 0.
Fetch the next digit (8) from the dividend, attach it to 0 and continue: 8 / 21

Step 3:
8 divided by 21 is 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 10.0
Deduct 0 from 8 and we're left with 8.
Append the next digit (2) from the dividend to 8 and continue with: 82 / 21

Step 4:
When dividing 82 by 21, we get 3 with a remainder of 19.
The number 3 becomes the next digit in our result. 
Result so far: 103.0
Deduct 63 from 82 and we're left with 19.
Grab the next digit (2) from the dividend, add it to 19, then carry on: 192 / 21

On to step 5:
21 can be fit into 192 9 times, resulting in a remainder of 3.
Use 9 as the next digit of our solution. 
Result so far: 1039.0
The remainder is 3 after subtracting 189 from 192.
Include the next digit (9) from the dividend after 3, then repeat: 39 / 21

On to step 6:
39 divided by 21 is 1 with a remainder of 18.
The next digit of our result is 1. 
Result so far: 10391.0
The remainder is 18 after subtracting 21 from 39.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 7:
180 divided by 21 is 8 with a remainder of 12.
The next digit of our result is 8. 
Result so far: 10391.8
If we take 168 away from 180, 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.

Moving on to step 8:
120 divided by 21 is 5 with a remainder of 15.
The next digit of our result is 5. 
Result so far: 10391.85
Subtracting 105 from 120 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.

Going ahead to step 9:
The number 21 fits into 150 7 times, leaving a remainder of 3.
Put 7 as the next digit of the answer. 
Result so far: 10391.857
Deduct 147 from 150 and we're left 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.

Advancing to step 10:
30 divided by 21 is 1 with a remainder of 9.
The next digit of our result is 1. 
Result so far: 10391.8571
If we take 21 away from 30, we end up with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 11:
The number 21 fits into 90 4 times, leaving a remainder of 6.
The next digit of our result is 4. 
Result so far: 10391.85714
Subtract 84 from 90 to get 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 12:
21 goes into 60 2 times with a remainder of 18.
Use 2 as the next digit of our solution. 
Result so far: 10391.857142
Deduct 42 from 60 and we're left with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 13:
When dividing 180 by 21, we get 8 with a remainder of 12.
Use 8 as the next digit of our solution. 
Result so far: 10391.8571428
If we subtract 168 from 180, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 14:
120 divided by 21 is 5 with a remainder of 15.
Use 5 as the next digit of our solution. 
Result so far: 10391.85714285
Deduct 105 from 120 and we're left 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.

The final result is 10391.85714285 with a remainder of 1.5e-08.