We divide 543966 by 42
Our goal is to divide 543966 by 42.

Let's proceed to step 1:
The number 42 fits into 5 0 times, leaving a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Append the next digit (4) from the dividend to 5 and continue with: 54 / 42

On to step 2:
When dividing 54 by 42, we get 1 with a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 42 from 54 leaves us with 12.
Append the next digit (3) from the dividend to 12 and continue with: 123 / 42

Going ahead to step 3:
When dividing 123 by 42, we get 2 with a remainder of 39.
The next digit of our result is 2. 
Result so far: 12.0
If we take 84 away from 123, we end up with 39.
Append the next digit (9) from the dividend to 39 and continue with: 399 / 42

Going ahead to step 4:
399 divided by 42 is 9 with a remainder of 21.
Use 9 as the next digit of our solution. 
Result so far: 129.0
Subtracting 378 from 399 leaves us with 21.
Append the next digit (6) from the dividend to 21 and continue with: 216 / 42

On to step 5:
If we divide 216 by 42, we get 5 and a remainder of 6.
The next digit of our result is 5. 
Result so far: 1295.0
Deduct 210 from 216 and we're left with 6.
Fetch the next digit (6) from the dividend, attach it to 6 and continue: 66 / 42

On to step 6:
66 divided by 42 is 1 with a remainder of 24.
Use 1 as the next digit of our solution. 
Result so far: 12951.0
Deduct 42 from 66 and we're left with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 7:
When dividing 240 by 42, we get 5 with a remainder of 30.
Write down 5 as next digit of the result. 
Result so far: 12951.5
The remainder is 30 after subtracting 210 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 8:
42 can be fit into 300 7 times, resulting in a remainder of 6.
Use 7 as the next digit of our solution. 
Result so far: 12951.57
If we take 294 away from 300, 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.

Let's proceed to step 9:
42 can be fit into 60 1 times, resulting in a remainder of 18.
Write down 1 as next digit of the result. 
Result so far: 12951.571
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 10:
42 goes into 180 4 times with a remainder of 12.
Use 4 as the next digit of our solution. 
Result so far: 12951.5714
If we take 168 away from 180, we end up 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.

Let's proceed to step 11:
120 divided by 42 is 2 with a remainder of 36.
Put 2 as the next digit of the answer. 
Result so far: 12951.57142
Deduct 84 from 120 and we're left with 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Advancing to step 12:
360 divided by 42 is 8 with a remainder of 24.
Write down 8 as next digit of the result. 
Result so far: 12951.571428
Subtracting 336 from 360 leaves us with 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Step 13:
240 divided by 42 is 5 with a remainder of 30.
Use 5 as the next digit of our solution. 
Result so far: 12951.5714285
The remainder is 30 after subtracting 210 from 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 14:
300 divided by 42 is 7 with a remainder of 6.
Put 7 as the next digit of the answer. 
Result so far: 12951.57142857
Subtracting 294 from 300 leaves us 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.

After the division, we end up with 12951.57142857 and a remainder of 6e-09.