35399255 divided by 90 
Our goal is to divide 35399255 by 90.

Advancing to step 1:
The number 90 fits into 3 0 times, leaving a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Fetch the next digit (5) from the dividend, attach it to 3 and continue: 35 / 90

On to step 2:
90 can be fit into 35 0 times, resulting in a remainder of 35.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 35 after subtracting 0 from 35.
Take the next digit (3) from the dividend and append it to 35, then repeat: 353 / 90

Going ahead to step 3:
The number 90 fits into 353 3 times, leaving a remainder of 83.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Deduct 270 from 353 and we're left with 83.
Take the next digit (9) from the dividend and append it to 83, then repeat: 839 / 90

On to step 4:
90 goes into 839 9 times with a remainder of 29.
The number 9 becomes the next digit in our result. 
Result so far: 39.0
The remainder is 29 after subtracting 810 from 839.
Fetch the next digit (9) from the dividend, attach it to 29 and continue: 299 / 90

Going ahead to step 5:
299 divided by 90 is 3 with a remainder of 29.
Record the quotient 3 as the next digit in the result. 
Result so far: 393.0
If we subtract 270 from 299, we get 29.
Bring next digit (2) of the dividend behind the 29 and repeat the process: 292 / 90

Going ahead to step 6:
292 divided by 90 is 3 with a remainder of 22.
Write down 3 as next digit of the result. 
Result so far: 3933.0
If we take 270 away from 292, we end up with 22.
Take the next digit (5) from the dividend and append it to 22, then repeat: 225 / 90

Step 7:
The number 90 fits into 225 2 times, leaving a remainder of 45.
Write down 2 as next digit of the result. 
Result so far: 39332.0
Deduct 180 from 225 and we're left with 45.
Fetch the next digit (5) from the dividend, attach it to 45 and continue: 455 / 90

Step 8:
If we divide 455 by 90, we get 5 and a remainder of 5.
Record the quotient 5 as the next digit in the result. 
Result so far: 393325.0
If we take 450 away from 455, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 9:
When dividing 50 by 90, we get 0 with a remainder of 50.
Record the quotient 0 as the next digit in the result. 
Result so far: 393325.0
If we take 0 away from 50, we end up 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.

Step 10:
When dividing 500 by 90, we get 5 with a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 393325.05
Deduct 450 from 500 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.

Step 11:
If we divide 500 by 90, we get 5 and a remainder of 50.
The number 5 becomes the next digit in our result. 
Result so far: 393325.055
The remainder is 50 after subtracting 450 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

After the division, we end up with 393325.055 and a remainder of 0.005.