Let's divide 834254 by 21
Our goal is to divide 834254 by 21.

Going ahead to step 1:
The number 21 fits into 8 0 times, leaving a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Bring next digit (3) of the dividend behind the 8 and repeat the process: 83 / 21

Step 2:
When dividing 83 by 21, we get 3 with a remainder of 20.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Subtract 63 from 83 to get 20.
Append the next digit (4) from the dividend to 20 and continue with: 204 / 21

Moving on to step 3:
21 can be fit into 204 9 times, resulting in a remainder of 15.
The number 9 becomes the next digit in our result. 
Result so far: 39.0
If we take 189 away from 204, we end up with 15.
Take the next digit (2) from the dividend and append it to 15, then repeat: 152 / 21

Advancing to step 4:
When dividing 152 by 21, we get 7 with a remainder of 5.
Use 7 as the next digit of our solution. 
Result so far: 397.0
If we take 147 away from 152, we end up with 5.
Append the next digit (5) from the dividend to 5 and continue with: 55 / 21

Going ahead to step 5:
55 divided by 21 is 2 with a remainder of 13.
The number 2 becomes the next digit in our result. 
Result so far: 3972.0
If we take 42 away from 55, we end up with 13.
Include the next digit (4) from the dividend after 13, then repeat: 134 / 21

On to step 6:
When dividing 134 by 21, we get 6 with a remainder of 8.
Use 6 as the next digit of our solution. 
Result so far: 39726.0
Subtract 126 from 134 to get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 7:
The number 21 fits into 80 3 times, leaving a remainder of 17.
Put 3 as the next digit of the answer. 
Result so far: 39726.3
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Let's proceed to step 8:
The number 21 fits into 170 8 times, leaving a remainder of 2.
The next digit of our result is 8. 
Result so far: 39726.38
Deduct 168 from 170 and we're left 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.

Step 9:
21 can be fit into 20 0 times, resulting in a remainder of 20.
Write down 0 as next digit of the result. 
Result so far: 39726.38
Subtracting 0 from 20 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 10:
If we divide 200 by 21, we get 9 and a remainder of 11.
The next digit of our result is 9. 
Result so far: 39726.3809
If we take 189 away from 200, we end up 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.

On to step 11:
110 divided by 21 is 5 with a remainder of 5.
The next digit of our result is 5. 
Result so far: 39726.38095
The remainder is 5 after subtracting 105 from 110.
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 12:
If we divide 50 by 21, we get 2 and a remainder of 8.
Write down 2 as next digit of the result. 
Result so far: 39726.380952
The remainder is 8 after subtracting 42 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Advancing to step 13:
The number 21 fits into 80 3 times, leaving a remainder of 17.
Put 3 as the next digit of the answer. 
Result so far: 39726.3809523
Subtract 63 from 80 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Moving on to step 14:
If we divide 170 by 21, we get 8 and a remainder of 2.
The number 8 becomes the next digit in our result. 
Result so far: 39726.38095238
If we subtract 168 from 170, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

The quotient of the division is 39726.38095238, and the remainder is 2e-09.