We're dividing 305967 by 21 
We want to divide 305967 by 21.

Going ahead to step 1:
3 divided by 21 is 0 with a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Grab the next digit (0) from the dividend, add it to 3, then carry on: 30 / 21

On to step 2:
When dividing 30 by 21, we get 1 with a remainder of 9.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtracting 21 from 30 leaves us with 9.
Fetch the next digit (5) from the dividend, attach it to 9 and continue: 95 / 21

On to step 3:
When dividing 95 by 21, we get 4 with a remainder of 11.
The number 4 becomes the next digit in our result. 
Result so far: 14.0
The remainder is 11 after subtracting 84 from 95.
Append the next digit (9) from the dividend to 11 and continue with: 119 / 21

Moving on to step 4:
21 goes into 119 5 times with a remainder of 14.
Use 5 as the next digit of our solution. 
Result so far: 145.0
The remainder is 14 after subtracting 105 from 119.
Take the next digit (6) from the dividend and append it to 14, then repeat: 146 / 21

Advancing to step 5:
When dividing 146 by 21, we get 6 with a remainder of 20.
Put 6 as the next digit of the answer. 
Result so far: 1456.0
Deduct 126 from 146 and we're left with 20.
Append the next digit (7) from the dividend to 20 and continue with: 207 / 21

Let's proceed to step 6:
If we divide 207 by 21, we get 9 and a remainder of 18.
The number 9 becomes the next digit in our result. 
Result so far: 14569.0
If we subtract 189 from 207, we get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 7:
180 divided by 21 is 8 with a remainder of 12.
The next digit of our result is 8. 
Result so far: 14569.8
The remainder is 12 after subtracting 168 from 180.
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.
Record the quotient 5 as the next digit in the result. 
Result so far: 14569.85
If we take 105 away from 120, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

On to step 9:
150 divided by 21 is 7 with a remainder of 3.
Write down 7 as next digit of the result. 
Result so far: 14569.857
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.

Let's proceed to step 10:
If we divide 30 by 21, we get 1 and a remainder of 9.
Put 1 as the next digit of the answer. 
Result so far: 14569.8571
Deduct 21 from 30 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Advancing to step 11:
21 goes into 90 4 times with a remainder of 6.
Put 4 as the next digit of the answer. 
Result so far: 14569.85714
Subtract 84 from 90 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 12:
The number 21 fits into 60 2 times, leaving a remainder of 18.
Put 2 as the next digit of the answer. 
Result so far: 14569.857142
The remainder is 18 after subtracting 42 from 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Let's proceed to step 13:
180 divided by 21 is 8 with a remainder of 12.
Record the quotient 8 as the next digit in the result. 
Result so far: 14569.8571428
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.

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: 14569.85714285
If we take 105 away from 120, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

In conclusion, the division gives 14569.85714285 with a balance of 1.5e-08.