422312 divided by 90 
We want to figure out the number of times 422312 can be divided by 90.

Going ahead to step 1:
90 can be fit into 4 0 times, resulting in a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 4 and we're left with 4.
Grab the next digit (2) from the dividend, add it to 4, then carry on: 42 / 90

Let's proceed to step 2:
90 can be fit into 42 0 times, resulting in a remainder of 42.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 42, we end up with 42.
Fetch the next digit (2) from the dividend, attach it to 42 and continue: 422 / 90

On to step 3:
If we divide 422 by 90, we get 4 and a remainder of 62.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Deduct 360 from 422 and we're left with 62.
Append the next digit (3) from the dividend to 62 and continue with: 623 / 90

Moving on to step 4:
If we divide 623 by 90, we get 6 and a remainder of 83.
Record the quotient 6 as the next digit in the result. 
Result so far: 46.0
Subtracting 540 from 623 leaves us with 83.
Bring next digit (1) of the dividend behind the 83 and repeat the process: 831 / 90

Step 5:
90 can be fit into 831 9 times, resulting in a remainder of 21.
Use 9 as the next digit of our solution. 
Result so far: 469.0
The remainder is 21 after subtracting 810 from 831.
Bring next digit (2) of the dividend behind the 21 and repeat the process: 212 / 90

Let's proceed to step 6:
90 can be fit into 212 2 times, resulting in a remainder of 32.
Put 2 as the next digit of the answer. 
Result so far: 4692.0
If we take 180 away from 212, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Moving on to step 7:
When dividing 320 by 90, we get 3 with a remainder of 50.
Record the quotient 3 as the next digit in the result. 
Result so far: 4692.3
Deduct 270 from 320 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.

Going ahead to step 8:
The number 90 fits into 500 5 times, leaving a remainder of 50.
Record the quotient 5 as the next digit in the result. 
Result so far: 4692.35
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.

Advancing to step 9:
500 divided by 90 is 5 with a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 4692.355
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 4692.355 and a remainder of 0.005.