We divide 54123431 by 251
Let's see how many times 251 fits into 54123431.

Going ahead to step 1:
5 divided by 251 is 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 5 leaves us with 5.
Grab the next digit (4) from the dividend, add it to 5, then carry on: 54 / 251

Step 2:
251 can be fit into 54 0 times, resulting in a remainder of 54.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 54 to get 54.
Bring next digit (1) of the dividend behind the 54 and repeat the process: 541 / 251

Step 3:
541 divided by 251 is 2 with a remainder of 39.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
Deduct 502 from 541 and we're left with 39.
Fetch the next digit (2) from the dividend, attach it to 39 and continue: 392 / 251

Advancing to step 4:
The number 251 fits into 392 1 times, leaving a remainder of 141.
Write down 1 as next digit of the result. 
Result so far: 21.0
If we subtract 251 from 392, we get 141.
Grab the next digit (3) from the dividend, add it to 141, then carry on: 1413 / 251

Step 5:
The number 251 fits into 1413 5 times, leaving a remainder of 158.
Put 5 as the next digit of the answer. 
Result so far: 215.0
If we take 1255 away from 1413, we end up with 158.
Append the next digit (4) from the dividend to 158 and continue with: 1584 / 251

On to step 6:
If we divide 1584 by 251, we get 6 and a remainder of 78.
Put 6 as the next digit of the answer. 
Result so far: 2156.0
The remainder is 78 after subtracting 1506 from 1584.
Bring next digit (3) of the dividend behind the 78 and repeat the process: 783 / 251

Let's proceed to step 7:
When dividing 783 by 251, we get 3 with a remainder of 30.
Use 3 as the next digit of our solution. 
Result so far: 21563.0
Subtracting 753 from 783 leaves us with 30.
Bring next digit (1) of the dividend behind the 30 and repeat the process: 301 / 251

Advancing to step 8:
When dividing 301 by 251, we get 1 with a remainder of 50.
Put 1 as the next digit of the answer. 
Result so far: 215631.0
Subtract 251 from 301 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 9:
The number 251 fits into 500 1 times, leaving a remainder of 249.
Use 1 as the next digit of our solution. 
Result so far: 215631.1
Subtract 251 from 500 to get 249.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2490, and continue the process.

Moving on to step 10:
2490 divided by 251 is 9 with a remainder of 231.
The number 9 becomes the next digit in our result. 
Result so far: 215631.19
Deduct 2259 from 2490 and we're left with 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

Step 11:
If we divide 2310 by 251, we get 9 and a remainder of 51.
Put 9 as the next digit of the answer. 
Result so far: 215631.199
If we subtract 2259 from 2310, we get 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

The final outcome is 215631.199, with a leftover of 0.0051.