We're dividing 51079004 by 521 
We want to figure out the number of times 51079004 can be divided by 521.

Going ahead to step 1:
521 can be fit into 5 0 times, resulting in a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 521

Let's proceed to step 2:
If we divide 51 by 521, we get 0 and a remainder of 51.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 51, we get 51.
Take the next digit (0) from the dividend and append it to 51, then repeat: 510 / 521

Advancing to step 3:
521 goes into 510 0 times with a remainder of 510.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 510, we end up with 510.
Grab the next digit (7) from the dividend, add it to 510, then carry on: 5107 / 521

Let's proceed to step 4:
521 goes into 5107 9 times with a remainder of 418.
Write down 9 as next digit of the result. 
Result so far: 9.0
Subtracting 4689 from 5107 leaves us with 418.
Fetch the next digit (9) from the dividend, attach it to 418 and continue: 4189 / 521

Going ahead to step 5:
When dividing 4189 by 521, we get 8 with a remainder of 21.
Write down 8 as next digit of the result. 
Result so far: 98.0
The remainder is 21 after subtracting 4168 from 4189.
Include the next digit (0) from the dividend after 21, then repeat: 210 / 521

Step 6:
521 can be fit into 210 0 times, resulting in a remainder of 210.
Use 0 as the next digit of our solution. 
Result so far: 980.0
Deduct 0 from 210 and we're left with 210.
Append the next digit (0) from the dividend to 210 and continue with: 2100 / 521

Step 7:
521 can be fit into 2100 4 times, resulting in a remainder of 16.
The number 4 becomes the next digit in our result. 
Result so far: 9804.0
Subtract 2084 from 2100 to get 16.
Take the next digit (4) from the dividend and append it to 16, then repeat: 164 / 521

Step 8:
If we divide 164 by 521, we get 0 and a remainder of 164.
Use 0 as the next digit of our solution. 
Result so far: 98040.0
The remainder is 164 after subtracting 0 from 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Going ahead to step 9:
When dividing 1640 by 521, we get 3 with a remainder of 77.
Record the quotient 3 as the next digit in the result. 
Result so far: 98040.3
Subtracting 1563 from 1640 leaves us with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

On to step 10:
When dividing 770 by 521, we get 1 with a remainder of 249.
The next digit of our result is 1. 
Result so far: 98040.31
If we take 521 away from 770, we end up with 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 11:
2490 divided by 521 is 4 with a remainder of 406.
Write down 4 as next digit of the result. 
Result so far: 98040.314
The remainder is 406 after subtracting 2084 from 2490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4060, and continue the process.

Going ahead to step 12:
4060 divided by 521 is 7 with a remainder of 413.
Put 7 as the next digit of the answer. 
Result so far: 98040.3147
The remainder is 413 after subtracting 3647 from 4060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4130, and continue the process.

Let's proceed to step 13:
The number 521 fits into 4130 7 times, leaving a remainder of 483.
The number 7 becomes the next digit in our result. 
Result so far: 98040.31477
If we take 3647 away from 4130, we end up with 483.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4830, and continue the process.

The quotient of the division is 98040.31477, and the remainder is 0.000483.