90203452 divided by 581 
We want to figure out the number of times 90203452 can be divided by 581.

Moving on to step 1:
The number 581 fits into 9 0 times, leaving a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Fetch the next digit (0) from the dividend, attach it to 9 and continue: 90 / 581

Moving on to step 2:
The number 581 fits into 90 0 times, leaving a remainder of 90.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 90, we end up with 90.
Fetch the next digit (2) from the dividend, attach it to 90 and continue: 902 / 581

Let's proceed to step 3:
902 divided by 581 is 1 with a remainder of 321.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 581 from 902 and we're left with 321.
Take the next digit (0) from the dividend and append it to 321, then repeat: 3210 / 581

Advancing to step 4:
If we divide 3210 by 581, we get 5 and a remainder of 305.
Write down 5 as next digit of the result. 
Result so far: 15.0
The remainder is 305 after subtracting 2905 from 3210.
Append the next digit (3) from the dividend to 305 and continue with: 3053 / 581

Moving on to step 5:
If we divide 3053 by 581, we get 5 and a remainder of 148.
Use 5 as the next digit of our solution. 
Result so far: 155.0
Deduct 2905 from 3053 and we're left with 148.
Bring next digit (4) of the dividend behind the 148 and repeat the process: 1484 / 581

On to step 6:
If we divide 1484 by 581, we get 2 and a remainder of 322.
The next digit of our result is 2. 
Result so far: 1552.0
If we subtract 1162 from 1484, we get 322.
Append the next digit (5) from the dividend to 322 and continue with: 3225 / 581

Going ahead to step 7:
If we divide 3225 by 581, we get 5 and a remainder of 320.
Use 5 as the next digit of our solution. 
Result so far: 15525.0
If we take 2905 away from 3225, we end up with 320.
Fetch the next digit (2) from the dividend, attach it to 320 and continue: 3202 / 581

Advancing to step 8:
The number 581 fits into 3202 5 times, leaving a remainder of 297.
The number 5 becomes the next digit in our result. 
Result so far: 155255.0
Subtracting 2905 from 3202 leaves us with 297.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2970, and continue the process.

Let's proceed to step 9:
581 can be fit into 2970 5 times, resulting in a remainder of 65.
Write down 5 as next digit of the result. 
Result so far: 155255.5
If we subtract 2905 from 2970, we get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Step 10:
The number 581 fits into 650 1 times, leaving a remainder of 69.
Write down 1 as next digit of the result. 
Result so far: 155255.51
If we take 581 away from 650, we end up with 69.
Since there are no more digits in the dividend, we add a zero to the remainder making it 690, and continue the process.

Moving on to step 11:
690 divided by 581 is 1 with a remainder of 109.
Write down 1 as next digit of the result. 
Result so far: 155255.511
If we subtract 581 from 690, we get 109.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1090, and continue the process.

After the division, we end up with 155255.511 and a remainder of 0.0109.