We look at the division of 944577 by 21 
Our goal is to divide 944577 by 21.

On to step 1:
21 can be fit into 9 0 times, resulting in a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 9, we end up with 9.
Include the next digit (4) from the dividend after 9, then repeat: 94 / 21

On to step 2:
21 can be fit into 94 4 times, resulting in a remainder of 10.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Deduct 84 from 94 and we're left with 10.
Take the next digit (4) from the dividend and append it to 10, then repeat: 104 / 21

On to step 3:
If we divide 104 by 21, we get 4 and a remainder of 20.
Use 4 as the next digit of our solution. 
Result so far: 44.0
Subtracting 84 from 104 leaves us with 20.
Bring next digit (5) of the dividend behind the 20 and repeat the process: 205 / 21

Going ahead to step 4:
If we divide 205 by 21, we get 9 and a remainder of 16.
The next digit of our result is 9. 
Result so far: 449.0
Subtract 189 from 205 to get 16.
Append the next digit (7) from the dividend to 16 and continue with: 167 / 21

Step 5:
If we divide 167 by 21, we get 7 and a remainder of 20.
The number 7 becomes the next digit in our result. 
Result so far: 4497.0
The remainder is 20 after subtracting 147 from 167.
Append the next digit (7) from the dividend to 20 and continue with: 207 / 21

On to step 6:
The number 21 fits into 207 9 times, leaving a remainder of 18.
Write down 9 as next digit of the result. 
Result so far: 44979.0
Subtracting 189 from 207 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Advancing to step 7:
21 can be fit into 180 8 times, resulting in a remainder of 12.
Put 8 as the next digit of the answer. 
Result so far: 44979.8
Subtracting 168 from 180 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 8:
When dividing 120 by 21, we get 5 with a remainder of 15.
The next digit of our result is 5. 
Result so far: 44979.85
If we subtract 105 from 120, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Going ahead to step 9:
If we divide 150 by 21, we get 7 and a remainder of 3.
The next digit of our result is 7. 
Result so far: 44979.857
Deduct 147 from 150 and we're left with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 10:
21 can be fit into 30 1 times, resulting in a remainder of 9.
The next digit of our result is 1. 
Result so far: 44979.8571
The remainder is 9 after subtracting 21 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Step 11:
21 goes into 90 4 times with a remainder of 6.
Use 4 as the next digit of our solution. 
Result so far: 44979.85714
If we take 84 away from 90, we end up with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 12:
21 can be fit into 60 2 times, resulting in a remainder of 18.
The number 2 becomes the next digit in our result. 
Result so far: 44979.857142
If we take 42 away from 60, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Advancing to step 13:
21 can be fit into 180 8 times, resulting in a remainder of 12.
Use 8 as the next digit of our solution. 
Result so far: 44979.8571428
Subtract 168 from 180 to get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

On to step 14:
120 divided by 21 is 5 with a remainder of 15.
Record the quotient 5 as the next digit in the result. 
Result so far: 44979.85714285
The remainder is 15 after subtracting 105 from 120.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

After the division, we end up with 44979.85714285 and a remainder of 1.5e-08.