We're dividing 51449424 by 13 
Our goal is to divide 51449424 by 13.

On to step 1:
5 divided by 13 is 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Grab the next digit (1) from the dividend, add it to 5, then carry on: 51 / 13

Advancing to step 2:
13 can be fit into 51 3 times, resulting in a remainder of 12.
Put 3 as the next digit of the answer. 
Result so far: 3.0
The remainder is 12 after subtracting 39 from 51.
Grab the next digit (4) from the dividend, add it to 12, then carry on: 124 / 13

Step 3:
The number 13 fits into 124 9 times, leaving a remainder of 7.
Write down 9 as next digit of the result. 
Result so far: 39.0
Subtract 117 from 124 to get 7.
Grab the next digit (4) from the dividend, add it to 7, then carry on: 74 / 13

Let's proceed to step 4:
When dividing 74 by 13, we get 5 with a remainder of 9.
Record the quotient 5 as the next digit in the result. 
Result so far: 395.0
If we take 65 away from 74, we end up with 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 13

Moving on to step 5:
When dividing 99 by 13, we get 7 with a remainder of 8.
Put 7 as the next digit of the answer. 
Result so far: 3957.0
Deduct 91 from 99 and we're left with 8.
Include the next digit (4) from the dividend after 8, then repeat: 84 / 13

Advancing to step 6:
13 can be fit into 84 6 times, resulting in a remainder of 6.
Use 6 as the next digit of our solution. 
Result so far: 39576.0
If we take 78 away from 84, we end up with 6.
Take the next digit (2) from the dividend and append it to 6, then repeat: 62 / 13

On to step 7:
When dividing 62 by 13, we get 4 with a remainder of 10.
Record the quotient 4 as the next digit in the result. 
Result so far: 395764.0
Deduct 52 from 62 and we're left with 10.
Include the next digit (4) from the dividend after 10, then repeat: 104 / 13

Step 8:
If we divide 104 by 13, we get 8 and a remainder of 0.
The next digit of our result is 8. 
Result so far: 3957648.0
Subtracting 104 from 104 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
The number 13 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 3957648.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 10:
When dividing 0 by 13, we get 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 3957648.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 3957648.0 with a remainder of 0.0.