12856969 ÷ 495 
Our goal is to divide 12856969 by 495.

Moving on to step 1:
495 can be fit into 1 0 times, resulting in a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 1 to get 1.
Include the next digit (2) from the dividend after 1, then repeat: 12 / 495

Step 2:
495 can be fit into 12 0 times, resulting in a remainder of 12.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 12, we get 12.
Fetch the next digit (8) from the dividend, attach it to 12 and continue: 128 / 495

Moving on to step 3:
The number 495 fits into 128 0 times, leaving a remainder of 128.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 128 and we're left with 128.
Take the next digit (5) from the dividend and append it to 128, then repeat: 1285 / 495

Let's proceed to step 4:
1285 divided by 495 is 2 with a remainder of 295.
Use 2 as the next digit of our solution. 
Result so far: 2.0
Subtracting 990 from 1285 leaves us with 295.
Include the next digit (6) from the dividend after 295, then repeat: 2956 / 495

Step 5:
The number 495 fits into 2956 5 times, leaving a remainder of 481.
Use 5 as the next digit of our solution. 
Result so far: 25.0
Deduct 2475 from 2956 and we're left with 481.
Bring next digit (9) of the dividend behind the 481 and repeat the process: 4819 / 495

Going ahead to step 6:
The number 495 fits into 4819 9 times, leaving a remainder of 364.
Record the quotient 9 as the next digit in the result. 
Result so far: 259.0
Subtract 4455 from 4819 to get 364.
Bring next digit (6) of the dividend behind the 364 and repeat the process: 3646 / 495

Advancing to step 7:
When dividing 3646 by 495, we get 7 with a remainder of 181.
The next digit of our result is 7. 
Result so far: 2597.0
If we take 3465 away from 3646, we end up with 181.
Include the next digit (9) from the dividend after 181, then repeat: 1819 / 495

Let's proceed to step 8:
1819 divided by 495 is 3 with a remainder of 334.
Record the quotient 3 as the next digit in the result. 
Result so far: 25973.0
If we take 1485 away from 1819, we end up with 334.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3340, and continue the process.

On to step 9:
If we divide 3340 by 495, we get 6 and a remainder of 370.
Write down 6 as next digit of the result. 
Result so far: 25973.6
Deduct 2970 from 3340 and we're left 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.

Moving on to step 10:
495 goes into 3700 7 times with a remainder of 235.
Put 7 as the next digit of the answer. 
Result so far: 25973.67
Subtracting 3465 from 3700 leaves us with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Let's proceed to step 11:
495 can be fit into 2350 4 times, resulting in a remainder of 370.
Record the quotient 4 as the next digit in the result. 
Result so far: 25973.674
If we take 1980 away from 2350, 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.

Moving on to step 12:
495 can be fit into 3700 7 times, resulting in a remainder of 235.
The number 7 becomes the next digit in our result. 
Result so far: 25973.6747
Subtracting 3465 from 3700 leaves us with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Let's proceed to step 13:
495 can be fit into 2350 4 times, resulting in a remainder of 370.
Write down 4 as next digit of the result. 
Result so far: 25973.67474
Subtract 1980 from 2350 to get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

Let's proceed to step 14:
495 goes into 3700 7 times with a remainder of 235.
Write down 7 as next digit of the result. 
Result so far: 25973.674747
Deduct 3465 from 3700 and we're left with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

Advancing to step 15:
The number 495 fits into 2350 4 times, leaving a remainder of 370.
Write down 4 as next digit of the result. 
Result so far: 25973.6747474
Subtract 1980 from 2350 to get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

Let's proceed to step 16:
3700 divided by 495 is 7 with a remainder of 235.
The number 7 becomes the next digit in our result. 
Result so far: 25973.67474747
Subtracting 3465 from 3700 leaves us with 235.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2350, and continue the process.

The final outcome is 25973.67474747, with a leftover of 2.35e-07.