We're dividing 913354 by 87 
The aim is to understand the frequency of 87 in 913354.

Going ahead to step 1:
9 divided by 87 is 0 with a remainder of 9.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 9 after subtracting 0 from 9.
Include the next digit (1) from the dividend after 9, then repeat: 91 / 87

Step 2:
87 can be fit into 91 1 times, resulting in a remainder of 4.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtract 87 from 91 to get 4.
Append the next digit (3) from the dividend to 4 and continue with: 43 / 87

Moving on to step 3:
43 divided by 87 is 0 with a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 10.0
If we subtract 0 from 43, we get 43.
Take the next digit (3) from the dividend and append it to 43, then repeat: 433 / 87

Going ahead to step 4:
When dividing 433 by 87, we get 4 with a remainder of 85.
Put 4 as the next digit of the answer. 
Result so far: 104.0
If we take 348 away from 433, we end up with 85.
Bring next digit (5) of the dividend behind the 85 and repeat the process: 855 / 87

Let's proceed to step 5:
When dividing 855 by 87, we get 9 with a remainder of 72.
Write down 9 as next digit of the result. 
Result so far: 1049.0
Subtracting 783 from 855 leaves us with 72.
Include the next digit (4) from the dividend after 72, then repeat: 724 / 87

Let's proceed to step 6:
87 can be fit into 724 8 times, resulting in a remainder of 28.
The next digit of our result is 8. 
Result so far: 10498.0
If we take 696 away from 724, we end up with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 7:
When dividing 280 by 87, we get 3 with a remainder of 19.
Put 3 as the next digit of the answer. 
Result so far: 10498.3
Deduct 261 from 280 and we're left with 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Moving on to step 8:
The number 87 fits into 190 2 times, leaving a remainder of 16.
Record the quotient 2 as the next digit in the result. 
Result so far: 10498.32
Deduct 174 from 190 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

On to step 9:
The number 87 fits into 160 1 times, leaving a remainder of 73.
Put 1 as the next digit of the answer. 
Result so far: 10498.321
Deduct 87 from 160 and we're left with 73.
Since there are no more digits in the dividend, we add a zero to the remainder making it 730, and continue the process.

Going ahead to step 10:
730 divided by 87 is 8 with a remainder of 34.
Use 8 as the next digit of our solution. 
Result so far: 10498.3218
The remainder is 34 after subtracting 696 from 730.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Going ahead to step 11:
87 goes into 340 3 times with a remainder of 79.
Record the quotient 3 as the next digit in the result. 
Result so far: 10498.32183
If we take 261 away from 340, we end up with 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Step 12:
If we divide 790 by 87, we get 9 and a remainder of 7.
Record the quotient 9 as the next digit in the result. 
Result so far: 10498.321839
Subtract 783 from 790 to get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Going ahead to step 13:
If we divide 70 by 87, we get 0 and a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 10498.321839
Deduct 0 from 70 and we're left with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 14:
When dividing 700 by 87, we get 8 with a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 10498.32183908
If we subtract 696 from 700, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The final outcome is 10498.32183908, with a leftover of 4e-09.