402135 divided by 90 
We want to divide 402135 by 90.

Let's proceed to step 1:
If we divide 4 by 90, we get 0 and a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Take the next digit (0) from the dividend and append it to 4, then repeat: 40 / 90

On to step 2:
When dividing 40 by 90, we get 0 with a remainder of 40.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 40 to get 40.
Bring next digit (2) of the dividend behind the 40 and repeat the process: 402 / 90

Going ahead to step 3:
90 can be fit into 402 4 times, resulting in a remainder of 42.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtracting 360 from 402 leaves us with 42.
Bring next digit (1) of the dividend behind the 42 and repeat the process: 421 / 90

Going ahead to step 4:
If we divide 421 by 90, we get 4 and a remainder of 61.
Use 4 as the next digit of our solution. 
Result so far: 44.0
The remainder is 61 after subtracting 360 from 421.
Append the next digit (3) from the dividend to 61 and continue with: 613 / 90

On to step 5:
The number 90 fits into 613 6 times, leaving a remainder of 73.
The next digit of our result is 6. 
Result so far: 446.0
Subtract 540 from 613 to get 73.
Append the next digit (5) from the dividend to 73 and continue with: 735 / 90

Step 6:
The number 90 fits into 735 8 times, leaving a remainder of 15.
Record the quotient 8 as the next digit in the result. 
Result so far: 4468.0
The remainder is 15 after subtracting 720 from 735.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 7:
90 goes into 150 1 times with a remainder of 60.
The next digit of our result is 1. 
Result so far: 4468.1
If we take 90 away from 150, we end up with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

On to step 8:
90 goes into 600 6 times with a remainder of 60.
Put 6 as the next digit of the answer. 
Result so far: 4468.16
Subtracting 540 from 600 leaves us with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Moving on to step 9:
The number 90 fits into 600 6 times, leaving a remainder of 60.
The next digit of our result is 6. 
Result so far: 4468.166
The remainder is 60 after subtracting 540 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

The quotient of the division is 4468.166, and the remainder is 0.006.