678454 divided by 87 
The aim is to understand the frequency of 87 in 678454.

On to step 1:
The number 87 fits into 6 0 times, leaving a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Fetch the next digit (7) from the dividend, attach it to 6 and continue: 67 / 87

Going ahead to step 2:
The number 87 fits into 67 0 times, leaving a remainder of 67.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 67 after subtracting 0 from 67.
Bring next digit (8) of the dividend behind the 67 and repeat the process: 678 / 87

Let's proceed to step 3:
When dividing 678 by 87, we get 7 with a remainder of 69.
The next digit of our result is 7. 
Result so far: 7.0
Deduct 609 from 678 and we're left with 69.
Append the next digit (4) from the dividend to 69 and continue with: 694 / 87

Let's proceed to step 4:
694 divided by 87 is 7 with a remainder of 85.
Put 7 as the next digit of the answer. 
Result so far: 77.0
Subtract 609 from 694 to get 85.
Bring next digit (5) of the dividend behind the 85 and repeat the process: 855 / 87

Moving on to step 5:
855 divided by 87 is 9 with a remainder of 72.
The number 9 becomes the next digit in our result. 
Result so far: 779.0
If we take 783 away from 855, we end up with 72.
Include the next digit (4) from the dividend after 72, then repeat: 724 / 87

Step 6:
If we divide 724 by 87, we get 8 and a remainder of 28.
Put 8 as the next digit of the answer. 
Result so far: 7798.0
If we subtract 696 from 724, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Step 7:
If we divide 280 by 87, we get 3 and a remainder of 19.
The number 3 becomes the next digit in our result. 
Result so far: 7798.3
If we take 261 away from 280, we end up 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.

Step 8:
87 can be fit into 190 2 times, resulting in a remainder of 16.
Put 2 as the next digit of the answer. 
Result so far: 7798.32
Subtract 174 from 190 to get 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

Moving on to step 9:
160 divided by 87 is 1 with a remainder of 73.
The next digit of our result is 1. 
Result so far: 7798.321
Subtracting 87 from 160 leaves us 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.

Step 10:
730 divided by 87 is 8 with a remainder of 34.
The number 8 becomes the next digit in our result. 
Result so far: 7798.3218
If we take 696 away from 730, we end up with 34.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Advancing to step 11:
87 goes into 340 3 times with a remainder of 79.
Use 3 as the next digit of our solution. 
Result so far: 7798.32183
Subtracting 261 from 340 leaves us 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.

Advancing to step 12:
When dividing 790 by 87, we get 9 with a remainder of 7.
Write down 9 as next digit of the result. 
Result so far: 7798.321839
If we take 783 away from 790, we end up with 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 13:
If we divide 70 by 87, we get 0 and a remainder of 70.
Write down 0 as next digit of the result. 
Result so far: 7798.321839
If we take 0 away from 70, we end up 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.

Moving on to step 14:
700 divided by 87 is 8 with a remainder of 4.
Record the quotient 8 as the next digit in the result. 
Result so far: 7798.32183908
Subtract 696 from 700 to 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.

Our division results in 7798.32183908 with a remaining 4e-09.