We're dividing 579599 by 20 
We want to figure out the number of times 579599 can be divided by 20.

Going ahead to step 1:
5 divided by 20 is 0 with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 5, we get 5.
Append the next digit (7) from the dividend to 5 and continue with: 57 / 20

Step 2:
20 goes into 57 2 times with a remainder of 17.
Use 2 as the next digit of our solution. 
Result so far: 2.0
If we take 40 away from 57, we end up with 17.
Append the next digit (9) from the dividend to 17 and continue with: 179 / 20

Let's proceed to step 3:
The number 20 fits into 179 8 times, leaving a remainder of 19.
Record the quotient 8 as the next digit in the result. 
Result so far: 28.0
The remainder is 19 after subtracting 160 from 179.
Include the next digit (5) from the dividend after 19, then repeat: 195 / 20

Let's proceed to step 4:
195 divided by 20 is 9 with a remainder of 15.
Use 9 as the next digit of our solution. 
Result so far: 289.0
The remainder is 15 after subtracting 180 from 195.
Bring next digit (9) of the dividend behind the 15 and repeat the process: 159 / 20

Let's proceed to step 5:
If we divide 159 by 20, we get 7 and a remainder of 19.
Record the quotient 7 as the next digit in the result. 
Result so far: 2897.0
Subtract 140 from 159 to get 19.
Take the next digit (9) from the dividend and append it to 19, then repeat: 199 / 20

Advancing to step 6:
If we divide 199 by 20, we get 9 and a remainder of 19.
The number 9 becomes the next digit in our result. 
Result so far: 28979.0
If we take 180 away from 199, we end up with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

On to step 7:
20 goes into 190 9 times with a remainder of 10.
The number 9 becomes the next digit in our result. 
Result so far: 28979.9
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.

Going ahead to step 8:
20 goes into 100 5 times with a remainder of 0.
Use 5 as the next digit of our solution. 
Result so far: 28979.95
Subtracting 100 from 100 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 9:
The number 20 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 28979.95
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
When dividing 0 by 20, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 28979.95
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 28979.95, with a leftover of 0.0.