853984 divided by 45 
We want to divide 853984 by 45.

Let's proceed to step 1:
45 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (5) from the dividend and append it to 8, then repeat: 85 / 45

Going ahead to step 2:
When dividing 85 by 45, we get 1 with a remainder of 40.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 40 after subtracting 45 from 85.
Fetch the next digit (3) from the dividend, attach it to 40 and continue: 403 / 45

Step 3:
45 goes into 403 8 times with a remainder of 43.
Use 8 as the next digit of our solution. 
Result so far: 18.0
If we subtract 360 from 403, we get 43.
Bring next digit (9) of the dividend behind the 43 and repeat the process: 439 / 45

On to step 4:
439 divided by 45 is 9 with a remainder of 34.
Use 9 as the next digit of our solution. 
Result so far: 189.0
Subtracting 405 from 439 leaves us with 34.
Include the next digit (8) from the dividend after 34, then repeat: 348 / 45

Moving on to step 5:
When dividing 348 by 45, we get 7 with a remainder of 33.
Use 7 as the next digit of our solution. 
Result so far: 1897.0
Subtract 315 from 348 to get 33.
Take the next digit (4) from the dividend and append it to 33, then repeat: 334 / 45

Moving on to step 6:
334 divided by 45 is 7 with a remainder of 19.
The number 7 becomes the next digit in our result. 
Result so far: 18977.0
Subtract 315 from 334 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Step 7:
If we divide 190 by 45, we get 4 and a remainder of 10.
The number 4 becomes the next digit in our result. 
Result so far: 18977.4
If we take 180 away from 190, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 8:
45 goes into 100 2 times with a remainder of 10.
The number 2 becomes the next digit in our result. 
Result so far: 18977.42
Subtracting 90 from 100 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 9:
45 goes into 100 2 times with a remainder of 10.
The next digit of our result is 2. 
Result so far: 18977.422
If we take 90 away from 100, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

After the division, we end up with 18977.422 and a remainder of 0.001.