769889 divided by 87 
The aim is to understand the frequency of 87 in 769889.

Advancing to step 1:
87 goes into 7 0 times with a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Include the next digit (6) from the dividend after 7, then repeat: 76 / 87

On to step 2:
If we divide 76 by 87, we get 0 and a remainder of 76.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 76 to get 76.
Take the next digit (9) from the dividend and append it to 76, then repeat: 769 / 87

Step 3:
769 divided by 87 is 8 with a remainder of 73.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
The remainder is 73 after subtracting 696 from 769.
Fetch the next digit (8) from the dividend, attach it to 73 and continue: 738 / 87

Step 4:
When dividing 738 by 87, we get 8 with a remainder of 42.
Write down 8 as next digit of the result. 
Result so far: 88.0
If we take 696 away from 738, we end up with 42.
Append the next digit (8) from the dividend to 42 and continue with: 428 / 87

Going ahead to step 5:
87 can be fit into 428 4 times, resulting in a remainder of 80.
The next digit of our result is 4. 
Result so far: 884.0
Subtract 348 from 428 to get 80.
Append the next digit (9) from the dividend to 80 and continue with: 809 / 87

Step 6:
809 divided by 87 is 9 with a remainder of 26.
The number 9 becomes the next digit in our result. 
Result so far: 8849.0
Subtract 783 from 809 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Going ahead to step 7:
260 divided by 87 is 2 with a remainder of 86.
Use 2 as the next digit of our solution. 
Result so far: 8849.2
If we subtract 174 from 260, we get 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

On to step 8:
If we divide 860 by 87, we get 9 and a remainder of 77.
The next digit of our result is 9. 
Result so far: 8849.29
Subtract 783 from 860 to get 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

On to step 9:
The number 87 fits into 770 8 times, leaving a remainder of 74.
Write down 8 as next digit of the result. 
Result so far: 8849.298
If we subtract 696 from 770, we get 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

Step 10:
The number 87 fits into 740 8 times, leaving a remainder of 44.
Record the quotient 8 as the next digit in the result. 
Result so far: 8849.2988
If we take 696 away from 740, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final result is 8849.2988 with a remainder of 0.00044.