We're dividing 409090 by 91 
Our goal is to divide 409090 by 91.

Moving on to step 1:
The number 91 fits into 4 0 times, leaving a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 91

Let's proceed to step 2:
91 goes into 40 0 times with a remainder of 40.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 40 to get 40.
Include the next digit (9) from the dividend after 40, then repeat: 409 / 91

On to step 3:
91 can be fit into 409 4 times, resulting in a remainder of 45.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
If we take 364 away from 409, we end up with 45.
Bring next digit (0) of the dividend behind the 45 and repeat the process: 450 / 91

Let's proceed to step 4:
The number 91 fits into 450 4 times, leaving a remainder of 86.
Use 4 as the next digit of our solution. 
Result so far: 44.0
Subtracting 364 from 450 leaves us with 86.
Grab the next digit (9) from the dividend, add it to 86, then carry on: 869 / 91

Moving on to step 5:
When dividing 869 by 91, we get 9 with a remainder of 50.
The number 9 becomes the next digit in our result. 
Result so far: 449.0
Subtracting 819 from 869 leaves us with 50.
Include the next digit (0) from the dividend after 50, then repeat: 500 / 91

Moving on to step 6:
The number 91 fits into 500 5 times, leaving a remainder of 45.
Record the quotient 5 as the next digit in the result. 
Result so far: 4495.0
Subtract 455 from 500 to get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Moving on to step 7:
91 goes into 450 4 times with a remainder of 86.
Write down 4 as next digit of the result. 
Result so far: 4495.4
The remainder is 86 after subtracting 364 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Step 8:
When dividing 860 by 91, we get 9 with a remainder of 41.
Use 9 as the next digit of our solution. 
Result so far: 4495.49
If we take 819 away from 860, we end up with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Step 9:
410 divided by 91 is 4 with a remainder of 46.
Use 4 as the next digit of our solution. 
Result so far: 4495.494
If we take 364 away from 410, we end up with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 10:
If we divide 460 by 91, we get 5 and a remainder of 5.
The next digit of our result is 5. 
Result so far: 4495.4945
If we subtract 455 from 460, 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.

Let's proceed to step 11:
50 divided by 91 is 0 with a remainder of 50.
Put 0 as the next digit of the answer. 
Result so far: 4495.4945
Deduct 0 from 50 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 12:
When dividing 500 by 91, we get 5 with a remainder of 45.
The next digit of our result is 5. 
Result so far: 4495.494505
Deduct 455 from 500 and we're left with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Going ahead to step 13:
91 goes into 450 4 times with a remainder of 86.
Use 4 as the next digit of our solution. 
Result so far: 4495.4945054
Deduct 364 from 450 and we're left with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Advancing to step 14:
91 can be fit into 860 9 times, resulting in a remainder of 41.
Put 9 as the next digit of the answer. 
Result so far: 4495.49450549
If we subtract 819 from 860, we get 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

The final outcome is 4495.49450549, with a leftover of 4.1e-08.