We're dividing 21807979 by 845 
We're looking to find how many times 845 goes into 21807979.

On to step 1:
If we divide 2 by 845, we get 0 and a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 2 to get 2.
Append the next digit (1) from the dividend to 2 and continue with: 21 / 845

Step 2:
When dividing 21 by 845, we get 0 with a remainder of 21.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Append the next digit (8) from the dividend to 21 and continue with: 218 / 845

Moving on to step 3:
The number 845 fits into 218 0 times, leaving a remainder of 218.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 218, we end up with 218.
Bring next digit (0) of the dividend behind the 218 and repeat the process: 2180 / 845

Let's proceed to step 4:
845 can be fit into 2180 2 times, resulting in a remainder of 490.
The next digit of our result is 2. 
Result so far: 2.0
Subtracting 1690 from 2180 leaves us with 490.
Fetch the next digit (7) from the dividend, attach it to 490 and continue: 4907 / 845

Going ahead to step 5:
The number 845 fits into 4907 5 times, leaving a remainder of 682.
Put 5 as the next digit of the answer. 
Result so far: 25.0
If we subtract 4225 from 4907, we get 682.
Grab the next digit (9) from the dividend, add it to 682, then carry on: 6829 / 845

On to step 6:
The number 845 fits into 6829 8 times, leaving a remainder of 69.
Put 8 as the next digit of the answer. 
Result so far: 258.0
Subtract 6760 from 6829 to get 69.
Fetch the next digit (7) from the dividend, attach it to 69 and continue: 697 / 845

Moving on to step 7:
845 goes into 697 0 times with a remainder of 697.
The number 0 becomes the next digit in our result. 
Result so far: 2580.0
Subtracting 0 from 697 leaves us with 697.
Grab the next digit (9) from the dividend, add it to 697, then carry on: 6979 / 845

Step 8:
6979 divided by 845 is 8 with a remainder of 219.
The number 8 becomes the next digit in our result. 
Result so far: 25808.0
Subtract 6760 from 6979 to get 219.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2190, and continue the process.

Let's proceed to step 9:
When dividing 2190 by 845, we get 2 with a remainder of 500.
Write down 2 as next digit of the result. 
Result so far: 25808.2
Deduct 1690 from 2190 and we're left with 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5000, and continue the process.

Advancing to step 10:
If we divide 5000 by 845, we get 5 and a remainder of 775.
The number 5 becomes the next digit in our result. 
Result so far: 25808.25
The remainder is 775 after subtracting 4225 from 5000.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7750, and continue the process.

On to step 11:
845 goes into 7750 9 times with a remainder of 145.
Record the quotient 9 as the next digit in the result. 
Result so far: 25808.259
If we subtract 7605 from 7750, we get 145.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1450, and continue the process.

On to step 12:
When dividing 1450 by 845, we get 1 with a remainder of 605.
Use 1 as the next digit of our solution. 
Result so far: 25808.2591
Subtract 845 from 1450 to get 605.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6050, and continue the process.

Advancing to step 13:
When dividing 6050 by 845, we get 7 with a remainder of 135.
Record the quotient 7 as the next digit in the result. 
Result so far: 25808.25917
The remainder is 135 after subtracting 5915 from 6050.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1350, and continue the process.

Let's proceed to step 14:
845 can be fit into 1350 1 times, resulting in a remainder of 505.
The number 1 becomes the next digit in our result. 
Result so far: 25808.259171
Deduct 845 from 1350 and we're left with 505.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5050, and continue the process.

Let's proceed to step 15:
If we divide 5050 by 845, we get 5 and a remainder of 825.
The number 5 becomes the next digit in our result. 
Result so far: 25808.2591715
The remainder is 825 after subtracting 4225 from 5050.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8250, and continue the process.

Let's proceed to step 16:
845 goes into 8250 9 times with a remainder of 645.
Write down 9 as next digit of the result. 
Result so far: 25808.25917159
Deduct 7605 from 8250 and we're left with 645.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6450, and continue the process.

In conclusion, the division gives 25808.25917159 with a balance of 6.45e-07.