We look at the division of 388868 by 90 
We want to divide 388868 by 90.

Step 1:
3 divided by 90 is 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 90

Moving on to step 2:
When dividing 38 by 90, we get 0 with a remainder of 38.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 38 after subtracting 0 from 38.
Grab the next digit (8) from the dividend, add it to 38, then carry on: 388 / 90

Moving on to step 3:
When dividing 388 by 90, we get 4 with a remainder of 28.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
If we subtract 360 from 388, we get 28.
Bring next digit (8) of the dividend behind the 28 and repeat the process: 288 / 90

On to step 4:
90 goes into 288 3 times with a remainder of 18.
Put 3 as the next digit of the answer. 
Result so far: 43.0
Subtract 270 from 288 to get 18.
Append the next digit (6) from the dividend to 18 and continue with: 186 / 90

Let's proceed to step 5:
When dividing 186 by 90, we get 2 with a remainder of 6.
The next digit of our result is 2. 
Result so far: 432.0
If we take 180 away from 186, we end up with 6.
Bring next digit (8) of the dividend behind the 6 and repeat the process: 68 / 90

Going ahead to step 6:
If we divide 68 by 90, we get 0 and a remainder of 68.
Use 0 as the next digit of our solution. 
Result so far: 4320.0
If we subtract 0 from 68, we get 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

On to step 7:
When dividing 680 by 90, we get 7 with a remainder of 50.
The next digit of our result is 7. 
Result so far: 4320.7
If we take 630 away from 680, 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.

Going ahead to step 8:
90 can be fit into 500 5 times, resulting in a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 4320.75
Subtract 450 from 500 to get 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 9:
The number 90 fits into 500 5 times, leaving a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 4320.755
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.

Our division results in 4320.755 with a remaining 0.005.