We're dividing 120404 by 90 
We're looking to find how many times 90 goes into 120404.

Moving on to step 1:
When dividing 1 by 90, we get 0 with a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Append the next digit (2) from the dividend to 1 and continue with: 12 / 90

Going ahead to step 2:
90 goes into 12 0 times with a remainder of 12.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 12 after subtracting 0 from 12.
Fetch the next digit (0) from the dividend, attach it to 12 and continue: 120 / 90

On to step 3:
90 can be fit into 120 1 times, resulting in a remainder of 30.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 90 from 120 to get 30.
Bring next digit (4) of the dividend behind the 30 and repeat the process: 304 / 90

Moving on to step 4:
304 divided by 90 is 3 with a remainder of 34.
The number 3 becomes the next digit in our result. 
Result so far: 13.0
Deduct 270 from 304 and we're left with 34.
Append the next digit (0) from the dividend to 34 and continue with: 340 / 90

Step 5:
When dividing 340 by 90, we get 3 with a remainder of 70.
The next digit of our result is 3. 
Result so far: 133.0
If we take 270 away from 340, we end up with 70.
Take the next digit (4) from the dividend and append it to 70, then repeat: 704 / 90

On to step 6:
90 can be fit into 704 7 times, resulting in a remainder of 74.
Put 7 as the next digit of the answer. 
Result so far: 1337.0
The remainder is 74 after subtracting 630 from 704.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Moving on to step 7:
If we divide 740 by 90, we get 8 and a remainder of 20.
Record the quotient 8 as the next digit in the result. 
Result so far: 1337.8
If we subtract 720 from 740, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 8:
90 can be fit into 200 2 times, resulting in a remainder of 20.
The next digit of our result is 2. 
Result so far: 1337.82
The remainder is 20 after subtracting 180 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 9:
When dividing 200 by 90, we get 2 with a remainder of 20.
Use 2 as the next digit of our solution. 
Result so far: 1337.822
Subtract 180 from 200 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final result is 1337.822 with a remainder of 0.002.