We divide 4457986 by 510
We want to figure out the number of times 4457986 can be divided by 510.

Step 1:
4 divided by 510 is 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Grab the next digit (4) from the dividend, add it to 4, then carry on: 44 / 510

Let's proceed to step 2:
510 can be fit into 44 0 times, resulting in a remainder of 44.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 44 leaves us with 44.
Fetch the next digit (5) from the dividend, attach it to 44 and continue: 445 / 510

Going ahead to step 3:
510 goes into 445 0 times with a remainder of 445.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 445 and we're left with 445.
Append the next digit (7) from the dividend to 445 and continue with: 4457 / 510

Advancing to step 4:
4457 divided by 510 is 8 with a remainder of 377.
Write down 8 as next digit of the result. 
Result so far: 8.0
If we subtract 4080 from 4457, we get 377.
Append the next digit (9) from the dividend to 377 and continue with: 3779 / 510

On to step 5:
510 goes into 3779 7 times with a remainder of 209.
Record the quotient 7 as the next digit in the result. 
Result so far: 87.0
If we subtract 3570 from 3779, we get 209.
Include the next digit (8) from the dividend after 209, then repeat: 2098 / 510

Moving on to step 6:
510 can be fit into 2098 4 times, resulting in a remainder of 58.
The number 4 becomes the next digit in our result. 
Result so far: 874.0
If we subtract 2040 from 2098, we get 58.
Append the next digit (6) from the dividend to 58 and continue with: 586 / 510

Step 7:
586 divided by 510 is 1 with a remainder of 76.
The number 1 becomes the next digit in our result. 
Result so far: 8741.0
Subtracting 510 from 586 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.

Let's proceed to step 8:
The number 510 fits into 760 1 times, leaving a remainder of 250.
The number 1 becomes the next digit in our result. 
Result so far: 8741.1
Subtracting 510 from 760 leaves us with 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Advancing to step 9:
When dividing 2500 by 510, we get 4 with a remainder of 460.
The number 4 becomes the next digit in our result. 
Result so far: 8741.14
If we subtract 2040 from 2500, we get 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

On to step 10:
When dividing 4600 by 510, we get 9 with a remainder of 10.
Use 9 as the next digit of our solution. 
Result so far: 8741.149
Subtracting 4590 from 4600 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 11:
The number 510 fits into 100 0 times, leaving a remainder of 100.
Record the quotient 0 as the next digit in the result. 
Result so far: 8741.149
If we subtract 0 from 100, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Moving on to step 12:
The number 510 fits into 1000 1 times, leaving a remainder of 490.
The number 1 becomes the next digit in our result. 
Result so far: 8741.14901
If we take 510 away from 1000, we end up 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.

Moving on to step 13:
4900 divided by 510 is 9 with a remainder of 310.
Put 9 as the next digit of the answer. 
Result so far: 8741.149019
If we take 4590 away from 4900, we end up with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Let's proceed to step 14:
510 goes into 3100 6 times with a remainder of 40.
Record the quotient 6 as the next digit in the result. 
Result so far: 8741.1490196
If we subtract 3060 from 3100, we 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.

Moving on to step 15:
510 can be fit into 400 0 times, resulting in a remainder of 400.
Use 0 as the next digit of our solution. 
Result so far: 8741.1490196
Subtract 0 from 400 to get 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

The final result is 8741.1490196 with a remainder of 4e-07.