We look at the division of 30515217 by 755 
We're looking to find how many times 755 goes into 30515217.

On to step 1:
The number 755 fits into 3 0 times, leaving a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 3 leaves us with 3.
Grab the next digit (0) from the dividend, add it to 3, then carry on: 30 / 755

Going ahead to step 2:
When dividing 30 by 755, we get 0 with a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 30 and we're left with 30.
Include the next digit (5) from the dividend after 30, then repeat: 305 / 755

On to step 3:
755 can be fit into 305 0 times, resulting in a remainder of 305.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 305 and we're left with 305.
Append the next digit (1) from the dividend to 305 and continue with: 3051 / 755

Going ahead to step 4:
When dividing 3051 by 755, we get 4 with a remainder of 31.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
The remainder is 31 after subtracting 3020 from 3051.
Bring next digit (5) of the dividend behind the 31 and repeat the process: 315 / 755

Moving on to step 5:
755 goes into 315 0 times with a remainder of 315.
Put 0 as the next digit of the answer. 
Result so far: 40.0
Subtracting 0 from 315 leaves us with 315.
Grab the next digit (2) from the dividend, add it to 315, then carry on: 3152 / 755

Step 6:
3152 divided by 755 is 4 with a remainder of 132.
The number 4 becomes the next digit in our result. 
Result so far: 404.0
If we take 3020 away from 3152, we end up with 132.
Append the next digit (1) from the dividend to 132 and continue with: 1321 / 755

Let's proceed to step 7:
755 goes into 1321 1 times with a remainder of 566.
The next digit of our result is 1. 
Result so far: 4041.0
Subtracting 755 from 1321 leaves us with 566.
Take the next digit (7) from the dividend and append it to 566, then repeat: 5667 / 755

Moving on to step 8:
5667 divided by 755 is 7 with a remainder of 382.
Write down 7 as next digit of the result. 
Result so far: 40417.0
If we take 5285 away from 5667, we end up with 382.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3820, and continue the process.

Step 9:
755 can be fit into 3820 5 times, resulting in a remainder of 45.
Put 5 as the next digit of the answer. 
Result so far: 40417.5
Subtracting 3775 from 3820 leaves us with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Let's proceed to step 10:
450 divided by 755 is 0 with a remainder of 450.
Use 0 as the next digit of our solution. 
Result so far: 40417.5
Deduct 0 from 450 and we're left with 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4500, and continue the process.

Going ahead to step 11:
755 goes into 4500 5 times with a remainder of 725.
The next digit of our result is 5. 
Result so far: 40417.505
If we take 3775 away from 4500, we end up with 725.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7250, and continue the process.

Let's proceed to step 12:
755 goes into 7250 9 times with a remainder of 455.
Put 9 as the next digit of the answer. 
Result so far: 40417.5059
If we take 6795 away from 7250, we end up with 455.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4550, and continue the process.

Step 13:
When dividing 4550 by 755, we get 6 with a remainder of 20.
The next digit of our result is 6. 
Result so far: 40417.50596
If we subtract 4530 from 4550, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 14:
755 can be fit into 200 0 times, resulting in a remainder of 200.
The next digit of our result is 0. 
Result so far: 40417.50596
If we take 0 away from 200, we end up with 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Moving on to step 15:
When dividing 2000 by 755, we get 2 with a remainder of 490.
Write down 2 as next digit of the result. 
Result so far: 40417.5059602
Subtracting 1510 from 2000 leaves us with 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4900, and continue the process.

Going ahead to step 16:
When dividing 4900 by 755, we get 6 with a remainder of 370.
Record the quotient 6 as the next digit in the result. 
Result so far: 40417.50596026
If we take 4530 away from 4900, we end up with 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

The final result is 40417.50596026 with a remainder of 3.7e-07.