629851 ÷ 54 
We want to divide 629851 by 54.

Going ahead to step 1:
6 divided by 54 is 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Take the next digit (2) from the dividend and append it to 6, then repeat: 62 / 54

Step 2:
The number 54 fits into 62 1 times, leaving a remainder of 8.
Write down 1 as next digit of the result. 
Result so far: 1.0
The remainder is 8 after subtracting 54 from 62.
Take the next digit (9) from the dividend and append it to 8, then repeat: 89 / 54

Advancing to step 3:
The number 54 fits into 89 1 times, leaving a remainder of 35.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
Subtract 54 from 89 to get 35.
Take the next digit (8) from the dividend and append it to 35, then repeat: 358 / 54

Moving on to step 4:
358 divided by 54 is 6 with a remainder of 34.
Put 6 as the next digit of the answer. 
Result so far: 116.0
If we take 324 away from 358, we end up with 34.
Grab the next digit (5) from the dividend, add it to 34, then carry on: 345 / 54

Advancing to step 5:
54 can be fit into 345 6 times, resulting in a remainder of 21.
The number 6 becomes the next digit in our result. 
Result so far: 1166.0
Subtract 324 from 345 to get 21.
Fetch the next digit (1) from the dividend, attach it to 21 and continue: 211 / 54

Step 6:
The number 54 fits into 211 3 times, leaving a remainder of 49.
Put 3 as the next digit of the answer. 
Result so far: 11663.0
Subtract 162 from 211 to get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Advancing to step 7:
54 can be fit into 490 9 times, resulting in a remainder of 4.
Use 9 as the next digit of our solution. 
Result so far: 11663.9
Subtract 486 from 490 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 8:
54 can be fit into 40 0 times, resulting in a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 11663.9
The remainder is 40 after subtracting 0 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 9:
When dividing 400 by 54, we get 7 with a remainder of 22.
Write down 7 as next digit of the result. 
Result so far: 11663.907
Subtracting 378 from 400 leaves us with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 10:
220 divided by 54 is 4 with a remainder of 4.
The number 4 becomes the next digit in our result. 
Result so far: 11663.9074
The remainder is 4 after subtracting 216 from 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Let's proceed to step 11:
54 can be fit into 40 0 times, resulting in a remainder of 40.
The next digit of our result is 0. 
Result so far: 11663.9074
The remainder is 40 after subtracting 0 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 12:
54 can be fit into 400 7 times, resulting in a remainder of 22.
Record the quotient 7 as the next digit in the result. 
Result so far: 11663.907407
If we subtract 378 from 400, we get 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Advancing to step 13:
If we divide 220 by 54, we get 4 and a remainder of 4.
The next digit of our result is 4. 
Result so far: 11663.9074074
Subtract 216 from 220 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Step 14:
If we divide 40 by 54, we get 0 and a remainder of 40.
The number 0 becomes the next digit in our result. 
Result so far: 11663.9074074
Subtract 0 from 40 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final outcome is 11663.9074074, with a leftover of 4e-08.