39625139 ÷ 891 
The aim is to understand the frequency of 891 in 39625139.

Going ahead to step 1:
891 goes into 3 0 times with a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 3 after subtracting 0 from 3.
Grab the next digit (9) from the dividend, add it to 3, then carry on: 39 / 891

Moving on to step 2:
39 divided by 891 is 0 with a remainder of 39.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 39, we get 39.
Append the next digit (6) from the dividend to 39 and continue with: 396 / 891

Moving on to step 3:
891 can be fit into 396 0 times, resulting in a remainder of 396.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 396, we get 396.
Append the next digit (2) from the dividend to 396 and continue with: 3962 / 891

Going ahead to step 4:
When dividing 3962 by 891, we get 4 with a remainder of 398.
The next digit of our result is 4. 
Result so far: 4.0
If we subtract 3564 from 3962, we get 398.
Bring next digit (5) of the dividend behind the 398 and repeat the process: 3985 / 891

Advancing to step 5:
3985 divided by 891 is 4 with a remainder of 421.
The next digit of our result is 4. 
Result so far: 44.0
If we subtract 3564 from 3985, we get 421.
Append the next digit (1) from the dividend to 421 and continue with: 4211 / 891

On to step 6:
891 goes into 4211 4 times with a remainder of 647.
The next digit of our result is 4. 
Result so far: 444.0
If we subtract 3564 from 4211, we get 647.
Include the next digit (3) from the dividend after 647, then repeat: 6473 / 891

Step 7:
891 goes into 6473 7 times with a remainder of 236.
Use 7 as the next digit of our solution. 
Result so far: 4447.0
The remainder is 236 after subtracting 6237 from 6473.
Bring next digit (9) of the dividend behind the 236 and repeat the process: 2369 / 891

Step 8:
2369 divided by 891 is 2 with a remainder of 587.
Record the quotient 2 as the next digit in the result. 
Result so far: 44472.0
If we take 1782 away from 2369, we end up with 587.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5870, and continue the process.

Let's proceed to step 9:
The number 891 fits into 5870 6 times, leaving a remainder of 524.
Use 6 as the next digit of our solution. 
Result so far: 44472.6
Deduct 5346 from 5870 and we're left with 524.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5240, and continue the process.

On to step 10:
5240 divided by 891 is 5 with a remainder of 785.
Write down 5 as next digit of the result. 
Result so far: 44472.65
If we subtract 4455 from 5240, we get 785.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7850, and continue the process.

Moving on to step 11:
891 goes into 7850 8 times with a remainder of 722.
The next digit of our result is 8. 
Result so far: 44472.658
Subtracting 7128 from 7850 leaves us with 722.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7220, and continue the process.

Going ahead to step 12:
When dividing 7220 by 891, we get 8 with a remainder of 92.
Use 8 as the next digit of our solution. 
Result so far: 44472.6588
If we take 7128 away from 7220, we end up with 92.
Since there are no more digits in the dividend, we add a zero to the remainder making it 920, and continue the process.

Our division results in 44472.6588 with a remaining 0.00092.