Let's divide 1511008 by 869
The aim is to understand the frequency of 869 in 1511008.

Going ahead to step 1:
The number 869 fits into 1 0 times, leaving a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Include the next digit (5) from the dividend after 1, then repeat: 15 / 869

Let's proceed to step 2:
15 divided by 869 is 0 with a remainder of 15.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 15 leaves us with 15.
Bring next digit (1) of the dividend behind the 15 and repeat the process: 151 / 869

On to step 3:
151 divided by 869 is 0 with a remainder of 151.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 151, we end up with 151.
Append the next digit (1) from the dividend to 151 and continue with: 1511 / 869

Step 4:
1511 divided by 869 is 1 with a remainder of 642.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 869 from 1511, we get 642.
Bring next digit (0) of the dividend behind the 642 and repeat the process: 6420 / 869

On to step 5:
If we divide 6420 by 869, we get 7 and a remainder of 337.
Record the quotient 7 as the next digit in the result. 
Result so far: 17.0
Deduct 6083 from 6420 and we're left with 337.
Bring next digit (0) of the dividend behind the 337 and repeat the process: 3370 / 869

Let's proceed to step 6:
869 can be fit into 3370 3 times, resulting in a remainder of 763.
Record the quotient 3 as the next digit in the result. 
Result so far: 173.0
If we take 2607 away from 3370, we end up with 763.
Bring next digit (8) of the dividend behind the 763 and repeat the process: 7638 / 869

Advancing to step 7:
869 goes into 7638 8 times with a remainder of 686.
The next digit of our result is 8. 
Result so far: 1738.0
If we take 6952 away from 7638, we end up with 686.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6860, and continue the process.

Moving on to step 8:
869 can be fit into 6860 7 times, resulting in a remainder of 777.
Record the quotient 7 as the next digit in the result. 
Result so far: 1738.7
The remainder is 777 after subtracting 6083 from 6860.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7770, and continue the process.

Moving on to step 9:
7770 divided by 869 is 8 with a remainder of 818.
Put 8 as the next digit of the answer. 
Result so far: 1738.78
If we subtract 6952 from 7770, we get 818.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8180, and continue the process.

On to step 10:
When dividing 8180 by 869, we get 9 with a remainder of 359.
The number 9 becomes the next digit in our result. 
Result so far: 1738.789
If we subtract 7821 from 8180, we get 359.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3590, and continue the process.

Step 11:
The number 869 fits into 3590 4 times, leaving a remainder of 114.
Put 4 as the next digit of the answer. 
Result so far: 1738.7894
Deduct 3476 from 3590 and we're left with 114.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1140, and continue the process.

Moving on to step 12:
When dividing 1140 by 869, we get 1 with a remainder of 271.
Write down 1 as next digit of the result. 
Result so far: 1738.78941
Subtracting 869 from 1140 leaves us with 271.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2710, and continue the process.

Advancing to step 13:
2710 divided by 869 is 3 with a remainder of 103.
Write down 3 as next digit of the result. 
Result so far: 1738.789413
If we take 2607 away from 2710, we end up with 103.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1030, and continue the process.

Advancing to step 14:
If we divide 1030 by 869, we get 1 and a remainder of 161.
Record the quotient 1 as the next digit in the result. 
Result so far: 1738.7894131
Deduct 869 from 1030 and we're left with 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

Going ahead to step 15:
If we divide 1610 by 869, we get 1 and a remainder of 741.
Write down 1 as next digit of the result. 
Result so far: 1738.78941311
Deduct 869 from 1610 and we're left with 741.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7410, and continue the process.

The quotient of the division is 1738.78941311, and the remainder is 7.41e-07.