We look at the division of 20666 by 84 
Our goal is to divide 20666 by 84.

Step 1:
If we divide 2 by 84, we get 0 and a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 84

Advancing to step 2:
When dividing 20 by 84, we get 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 20, we get 20.
Append the next digit (6) from the dividend to 20 and continue with: 206 / 84

Let's proceed to step 3:
206 divided by 84 is 2 with a remainder of 38.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we take 168 away from 206, we end up with 38.
Take the next digit (6) from the dividend and append it to 38, then repeat: 386 / 84

Advancing to step 4:
When dividing 386 by 84, we get 4 with a remainder of 50.
Use 4 as the next digit of our solution. 
Result so far: 24.0
The remainder is 50 after subtracting 336 from 386.
Append the next digit (6) from the dividend to 50 and continue with: 506 / 84

Advancing to step 5:
When dividing 506 by 84, we get 6 with a remainder of 2.
Use 6 as the next digit of our solution. 
Result so far: 246.0
If we subtract 504 from 506, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 6:
84 can be fit into 20 0 times, resulting in a remainder of 20.
The next digit of our result is 0. 
Result so far: 246.0
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 7:
84 goes into 200 2 times with a remainder of 32.
The next digit of our result is 2. 
Result so far: 246.02
If we take 168 away from 200, we end up with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Advancing to step 8:
320 divided by 84 is 3 with a remainder of 68.
The next digit of our result is 3. 
Result so far: 246.023
If we take 252 away from 320, we end up with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Moving on to step 9:
The number 84 fits into 680 8 times, leaving a remainder of 8.
Use 8 as the next digit of our solution. 
Result so far: 246.0238
Subtracting 672 from 680 leaves us with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

On to step 10:
84 goes into 80 0 times with a remainder of 80.
The number 0 becomes the next digit in our result. 
Result so far: 246.0238
If we subtract 0 from 80, we get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Let's proceed to step 11:
When dividing 800 by 84, we get 9 with a remainder of 44.
The number 9 becomes the next digit in our result. 
Result so far: 246.023809
If we subtract 756 from 800, we get 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Let's proceed to step 12:
The number 84 fits into 440 5 times, leaving a remainder of 20.
The next digit of our result is 5. 
Result so far: 246.0238095
If we subtract 420 from 440, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 13:
84 can be fit into 200 2 times, resulting in a remainder of 32.
Record the quotient 2 as the next digit in the result. 
Result so far: 246.02380952
Subtracting 168 from 200 leaves us with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

In conclusion, the division gives 246.02380952 with a balance of 3.2e-08.