99387749 ÷ 249 
We want to figure out the number of times 99387749 can be divided by 249.

Advancing to step 1:
249 goes into 9 0 times with a remainder of 9.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 249

Going ahead to step 2:
If we divide 99 by 249, we get 0 and a remainder of 99.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 99 and we're left with 99.
Fetch the next digit (3) from the dividend, attach it to 99 and continue: 993 / 249

Step 3:
The number 249 fits into 993 3 times, leaving a remainder of 246.
The number 3 becomes the next digit in our result. 
Result so far: 3.0
Deduct 747 from 993 and we're left with 246.
Fetch the next digit (8) from the dividend, attach it to 246 and continue: 2468 / 249

On to step 4:
249 can be fit into 2468 9 times, resulting in a remainder of 227.
The next digit of our result is 9. 
Result so far: 39.0
If we subtract 2241 from 2468, we get 227.
Include the next digit (7) from the dividend after 227, then repeat: 2277 / 249

Moving on to step 5:
When dividing 2277 by 249, we get 9 with a remainder of 36.
The number 9 becomes the next digit in our result. 
Result so far: 399.0
The remainder is 36 after subtracting 2241 from 2277.
Take the next digit (7) from the dividend and append it to 36, then repeat: 367 / 249

Step 6:
The number 249 fits into 367 1 times, leaving a remainder of 118.
Write down 1 as next digit of the result. 
Result so far: 3991.0
Subtracting 249 from 367 leaves us with 118.
Append the next digit (4) from the dividend to 118 and continue with: 1184 / 249

On to step 7:
When dividing 1184 by 249, we get 4 with a remainder of 188.
Put 4 as the next digit of the answer. 
Result so far: 39914.0
Subtracting 996 from 1184 leaves us with 188.
Bring next digit (9) of the dividend behind the 188 and repeat the process: 1889 / 249

Moving on to step 8:
249 can be fit into 1889 7 times, resulting in a remainder of 146.
Use 7 as the next digit of our solution. 
Result so far: 399147.0
Deduct 1743 from 1889 and we're left with 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Let's proceed to step 9:
The number 249 fits into 1460 5 times, leaving a remainder of 215.
The number 5 becomes the next digit in our result. 
Result so far: 399147.5
If we take 1245 away from 1460, we end up with 215.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2150, and continue the process.

Going ahead to step 10:
249 goes into 2150 8 times with a remainder of 158.
Write down 8 as next digit of the result. 
Result so far: 399147.58
The remainder is 158 after subtracting 1992 from 2150.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

On to step 11:
249 goes into 1580 6 times with a remainder of 86.
Use 6 as the next digit of our solution. 
Result so far: 399147.586
Deduct 1494 from 1580 and we're left with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Advancing to step 12:
The number 249 fits into 860 3 times, leaving a remainder of 113.
Write down 3 as next digit of the result. 
Result so far: 399147.5863
If we take 747 away from 860, we end up with 113.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1130, and continue the process.

Step 13:
249 goes into 1130 4 times with a remainder of 134.
Put 4 as the next digit of the answer. 
Result so far: 399147.58634
The remainder is 134 after subtracting 996 from 1130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

Step 14:
If we divide 1340 by 249, we get 5 and a remainder of 95.
The next digit of our result is 5. 
Result so far: 399147.586345
The remainder is 95 after subtracting 1245 from 1340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

On to step 15:
950 divided by 249 is 3 with a remainder of 203.
Use 3 as the next digit of our solution. 
Result so far: 399147.5863453
If we subtract 747 from 950, we get 203.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2030, and continue the process.

Moving on to step 16:
249 can be fit into 2030 8 times, resulting in a remainder of 38.
Write down 8 as next digit of the result. 
Result so far: 399147.58634538
If we subtract 1992 from 2030, we get 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Our division results in 399147.58634538 with a remaining 3.8e-08.