Let's divide 406621 by 9
We want to figure out the number of times 406621 can be divided by 9.

Going ahead to step 1:
If we divide 4 by 9, we get 0 and a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (0) from the dividend to 4 and continue with: 40 / 9

Moving on to step 2:
40 divided by 9 is 4 with a remainder of 4.
The next digit of our result is 4. 
Result so far: 4.0
If we take 36 away from 40, we end up with 4.
Fetch the next digit (6) from the dividend, attach it to 4 and continue: 46 / 9

Going ahead to step 3:
The number 9 fits into 46 5 times, leaving a remainder of 1.
Record the quotient 5 as the next digit in the result. 
Result so far: 45.0
The remainder is 1 after subtracting 45 from 46.
Include the next digit (6) from the dividend after 1, then repeat: 16 / 9

Advancing to step 4:
If we divide 16 by 9, we get 1 and a remainder of 7.
Use 1 as the next digit of our solution. 
Result so far: 451.0
Subtracting 9 from 16 leaves us with 7.
Take the next digit (2) from the dividend and append it to 7, then repeat: 72 / 9

Let's proceed to step 5:
The number 9 fits into 72 8 times, leaving a remainder of 0.
Record the quotient 8 as the next digit in the result. 
Result so far: 4518.0
If we take 72 away from 72, we end up with 0.
Append the next digit (1) from the dividend to 0 and continue with: 1 / 9

Moving on to step 6:
9 can be fit into 1 0 times, resulting in a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 45180.0
Subtract 0 from 1 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 7:
If we divide 10 by 9, we get 1 and a remainder of 1.
Record the quotient 1 as the next digit in the result. 
Result so far: 45180.1
If we subtract 9 from 10, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Going ahead to step 8:
If we divide 10 by 9, we get 1 and a remainder of 1.
Put 1 as the next digit of the answer. 
Result so far: 45180.11
The remainder is 1 after subtracting 9 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Our division results in 45180.11 with a remaining 0.001.