We divide 849970 by 45
We want to divide 849970 by 45.

Going ahead to step 1:
If we divide 8 by 45, we get 0 and a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Grab the next digit (4) from the dividend, add it to 8, then carry on: 84 / 45

On to step 2:
The number 45 fits into 84 1 times, leaving a remainder of 39.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we take 45 away from 84, we end up with 39.
Grab the next digit (9) from the dividend, add it to 39, then carry on: 399 / 45

Going ahead to step 3:
45 can be fit into 399 8 times, resulting in a remainder of 39.
Use 8 as the next digit of our solution. 
Result so far: 18.0
Deduct 360 from 399 and we're left with 39.
Grab the next digit (9) from the dividend, add it to 39, then carry on: 399 / 45

Step 4:
45 can be fit into 399 8 times, resulting in a remainder of 39.
The next digit of our result is 8. 
Result so far: 188.0
If we subtract 360 from 399, we get 39.
Append the next digit (7) from the dividend to 39 and continue with: 397 / 45

On to step 5:
45 goes into 397 8 times with a remainder of 37.
Write down 8 as next digit of the result. 
Result so far: 1888.0
If we take 360 away from 397, we end up with 37.
Include the next digit (0) from the dividend after 37, then repeat: 370 / 45

Advancing to step 6:
370 divided by 45 is 8 with a remainder of 10.
Use 8 as the next digit of our solution. 
Result so far: 18888.0
If we take 360 away from 370, 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.

Step 7:
100 divided by 45 is 2 with a remainder of 10.
The number 2 becomes the next digit in our result. 
Result so far: 18888.2
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.

On to step 8:
100 divided by 45 is 2 with a remainder of 10.
Use 2 as the next digit of our solution. 
Result so far: 18888.22
Subtract 90 from 100 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final outcome is 18888.22, with a leftover of 0.01.