764309 divided by 51 
We're looking to find how many times 51 goes into 764309.

Step 1:
If we divide 7 by 51, we get 0 and a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Append the next digit (6) from the dividend to 7 and continue with: 76 / 51

Step 2:
51 can be fit into 76 1 times, resulting in a remainder of 25.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 25 after subtracting 51 from 76.
Take the next digit (4) from the dividend and append it to 25, then repeat: 254 / 51

On to step 3:
When dividing 254 by 51, we get 4 with a remainder of 50.
The next digit of our result is 4. 
Result so far: 14.0
If we take 204 away from 254, we end up with 50.
Fetch the next digit (3) from the dividend, attach it to 50 and continue: 503 / 51

On to step 4:
51 can be fit into 503 9 times, resulting in a remainder of 44.
Use 9 as the next digit of our solution. 
Result so far: 149.0
Subtract 459 from 503 to get 44.
Include the next digit (0) from the dividend after 44, then repeat: 440 / 51

Step 5:
51 can be fit into 440 8 times, resulting in a remainder of 32.
Put 8 as the next digit of the answer. 
Result so far: 1498.0
Subtract 408 from 440 to get 32.
Include the next digit (9) from the dividend after 32, then repeat: 329 / 51

Advancing to step 6:
The number 51 fits into 329 6 times, leaving a remainder of 23.
Record the quotient 6 as the next digit in the result. 
Result so far: 14986.0
If we take 306 away from 329, we end up with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Going ahead to step 7:
51 can be fit into 230 4 times, resulting in a remainder of 26.
The next digit of our result is 4. 
Result so far: 14986.4
Deduct 204 from 230 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 8:
If we divide 260 by 51, we get 5 and a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 14986.45
Subtracting 255 from 260 leaves us with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 9:
If we divide 50 by 51, we get 0 and a remainder of 50.
The number 0 becomes the next digit in our result. 
Result so far: 14986.45
The remainder is 50 after subtracting 0 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 10:
The number 51 fits into 500 9 times, leaving a remainder of 41.
Record the quotient 9 as the next digit in the result. 
Result so far: 14986.4509
Deduct 459 from 500 and we're left with 41.
Since there are no more digits in the dividend, we add a zero to the remainder making it 410, and continue the process.

Going ahead to step 11:
When dividing 410 by 51, we get 8 with a remainder of 2.
Put 8 as the next digit of the answer. 
Result so far: 14986.45098
If we subtract 408 from 410, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Going ahead to step 12:
If we divide 20 by 51, we get 0 and a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 14986.45098
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 13:
If we divide 200 by 51, we get 3 and a remainder of 47.
The next digit of our result is 3. 
Result so far: 14986.4509803
Deduct 153 from 200 and we're left with 47.
Since there are no more digits in the dividend, we add a zero to the remainder making it 470, and continue the process.

Going ahead to step 14:
If we divide 470 by 51, we get 9 and a remainder of 11.
The next digit of our result is 9. 
Result so far: 14986.45098039
The remainder is 11 after subtracting 459 from 470.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

The quotient of the division is 14986.45098039, and the remainder is 1.1e-08.