We're dividing 471996 by 21 
We're looking to find how many times 21 goes into 471996.

On to step 1:
4 divided by 21 is 0 with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Bring next digit (7) of the dividend behind the 4 and repeat the process: 47 / 21

Let's proceed to step 2:
The number 21 fits into 47 2 times, leaving a remainder of 5.
Write down 2 as next digit of the result. 
Result so far: 2.0
Subtract 42 from 47 to get 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 21

Step 3:
When dividing 51 by 21, we get 2 with a remainder of 9.
The next digit of our result is 2. 
Result so far: 22.0
Subtract 42 from 51 to get 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 21

Moving on to step 4:
21 can be fit into 99 4 times, resulting in a remainder of 15.
Write down 4 as next digit of the result. 
Result so far: 224.0
Subtract 84 from 99 to get 15.
Bring next digit (9) of the dividend behind the 15 and repeat the process: 159 / 21

Let's proceed to step 5:
21 goes into 159 7 times with a remainder of 12.
Record the quotient 7 as the next digit in the result. 
Result so far: 2247.0
Deduct 147 from 159 and we're left with 12.
Grab the next digit (6) from the dividend, add it to 12, then carry on: 126 / 21

Going ahead to step 6:
When dividing 126 by 21, we get 6 with a remainder of 0.
The next digit of our result is 6. 
Result so far: 22476.0
The remainder is 0 after subtracting 126 from 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 7:
When dividing 0 by 21, we get 0 with a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 22476.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
21 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 22476.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 22476.0 and a remainder of 0.0.