We look at the division of 8439027 by 744 
The aim is to understand the frequency of 744 in 8439027.

On to step 1:
The number 744 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Grab the next digit (4) from the dividend, add it to 8, then carry on: 84 / 744

Step 2:
When dividing 84 by 744, we get 0 with a remainder of 84.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 84, we get 84.
Include the next digit (3) from the dividend after 84, then repeat: 843 / 744

On to step 3:
If we divide 843 by 744, we get 1 and a remainder of 99.
The next digit of our result is 1. 
Result so far: 1.0
Subtract 744 from 843 to get 99.
Bring next digit (9) of the dividend behind the 99 and repeat the process: 999 / 744

Step 4:
999 divided by 744 is 1 with a remainder of 255.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
If we subtract 744 from 999, we get 255.
Bring next digit (0) of the dividend behind the 255 and repeat the process: 2550 / 744

Let's proceed to step 5:
If we divide 2550 by 744, we get 3 and a remainder of 318.
Put 3 as the next digit of the answer. 
Result so far: 113.0
Subtracting 2232 from 2550 leaves us with 318.
Fetch the next digit (2) from the dividend, attach it to 318 and continue: 3182 / 744

Let's proceed to step 6:
744 goes into 3182 4 times with a remainder of 206.
The number 4 becomes the next digit in our result. 
Result so far: 1134.0
If we subtract 2976 from 3182, we get 206.
Append the next digit (7) from the dividend to 206 and continue with: 2067 / 744

Moving on to step 7:
When dividing 2067 by 744, we get 2 with a remainder of 579.
Put 2 as the next digit of the answer. 
Result so far: 11342.0
Deduct 1488 from 2067 and we're left with 579.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5790, and continue the process.

Going ahead to step 8:
5790 divided by 744 is 7 with a remainder of 582.
The number 7 becomes the next digit in our result. 
Result so far: 11342.7
If we take 5208 away from 5790, we end up with 582.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5820, and continue the process.

Step 9:
5820 divided by 744 is 7 with a remainder of 612.
Put 7 as the next digit of the answer. 
Result so far: 11342.77
Deduct 5208 from 5820 and we're left with 612.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6120, and continue the process.

The quotient of the division is 11342.77, and the remainder is 0.612.