Let's divide 15159448 by 203
Let's see how many times 203 fits into 15159448.

On to step 1:
When dividing 1 by 203, we get 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Fetch the next digit (5) from the dividend, attach it to 1 and continue: 15 / 203

On to step 2:
203 goes into 15 0 times with a remainder of 15.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 15 and we're left with 15.
Append the next digit (1) from the dividend to 15 and continue with: 151 / 203

Let's proceed to step 3:
151 divided by 203 is 0 with a remainder of 151.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 151, we get 151.
Bring next digit (5) of the dividend behind the 151 and repeat the process: 1515 / 203

On to step 4:
If we divide 1515 by 203, we get 7 and a remainder of 94.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we take 1421 away from 1515, we end up with 94.
Grab the next digit (9) from the dividend, add it to 94, then carry on: 949 / 203

Advancing to step 5:
When dividing 949 by 203, we get 4 with a remainder of 137.
Use 4 as the next digit of our solution. 
Result so far: 74.0
If we subtract 812 from 949, we get 137.
Include the next digit (4) from the dividend after 137, then repeat: 1374 / 203

Advancing to step 6:
If we divide 1374 by 203, we get 6 and a remainder of 156.
Put 6 as the next digit of the answer. 
Result so far: 746.0
The remainder is 156 after subtracting 1218 from 1374.
Append the next digit (4) from the dividend to 156 and continue with: 1564 / 203

Step 7:
When dividing 1564 by 203, we get 7 with a remainder of 143.
Write down 7 as next digit of the result. 
Result so far: 7467.0
The remainder is 143 after subtracting 1421 from 1564.
Bring next digit (8) of the dividend behind the 143 and repeat the process: 1438 / 203

Going ahead to step 8:
1438 divided by 203 is 7 with a remainder of 17.
Put 7 as the next digit of the answer. 
Result so far: 74677.0
Subtracting 1421 from 1438 leaves us with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

On to step 9:
170 divided by 203 is 0 with a remainder of 170.
Write down 0 as next digit of the result. 
Result so far: 74677.0
Subtracting 0 from 170 leaves us with 170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1700, and continue the process.

Going ahead to step 10:
203 goes into 1700 8 times with a remainder of 76.
The number 8 becomes the next digit in our result. 
Result so far: 74677.08
Subtracting 1624 from 1700 leaves us with 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

On to step 11:
The number 203 fits into 760 3 times, leaving a remainder of 151.
The number 3 becomes the next digit in our result. 
Result so far: 74677.083
If we take 609 away from 760, we end up with 151.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1510, and continue the process.

Advancing to step 12:
1510 divided by 203 is 7 with a remainder of 89.
The next digit of our result is 7. 
Result so far: 74677.0837
If we take 1421 away from 1510, we end up with 89.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Going ahead to step 13:
If we divide 890 by 203, we get 4 and a remainder of 78.
Write down 4 as next digit of the result. 
Result so far: 74677.08374
If we subtract 812 from 890, we get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Step 14:
When dividing 780 by 203, we get 3 with a remainder of 171.
The number 3 becomes the next digit in our result. 
Result so far: 74677.083743
Subtract 609 from 780 to get 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Let's proceed to step 15:
203 can be fit into 1710 8 times, resulting in a remainder of 86.
Use 8 as the next digit of our solution. 
Result so far: 74677.0837438
Subtract 1624 from 1710 to get 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 16:
If we divide 860 by 203, we get 4 and a remainder of 48.
Put 4 as the next digit of the answer. 
Result so far: 74677.08374384
Subtracting 812 from 860 leaves us with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

The final outcome is 74677.08374384, with a leftover of 4.8e-08.