Let's divide 137480 by 87
The aim is to understand the frequency of 87 in 137480.

Let's proceed to step 1:
87 can be fit into 1 0 times, resulting in a remainder of 1.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Grab the next digit (3) from the dividend, add it to 1, then carry on: 13 / 87

Advancing to step 2:
When dividing 13 by 87, we get 0 with a remainder of 13.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 13 leaves us with 13.
Take the next digit (7) from the dividend and append it to 13, then repeat: 137 / 87

Advancing to step 3:
87 goes into 137 1 times with a remainder of 50.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 87 from 137 to get 50.
Take the next digit (4) from the dividend and append it to 50, then repeat: 504 / 87

Going ahead to step 4:
The number 87 fits into 504 5 times, leaving a remainder of 69.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
If we subtract 435 from 504, we get 69.
Append the next digit (8) from the dividend to 69 and continue with: 698 / 87

Step 5:
If we divide 698 by 87, we get 8 and a remainder of 2.
The number 8 becomes the next digit in our result. 
Result so far: 158.0
Deduct 696 from 698 and we're left with 2.
Include the next digit (0) from the dividend after 2, then repeat: 20 / 87

On to step 6:
87 goes into 20 0 times with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 1580.0
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

On to step 7:
If we divide 200 by 87, we get 2 and a remainder of 26.
Use 2 as the next digit of our solution. 
Result so far: 1580.2
Subtracting 174 from 200 leaves us with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Advancing to step 8:
260 divided by 87 is 2 with a remainder of 86.
Use 2 as the next digit of our solution. 
Result so far: 1580.22
Deduct 174 from 260 and we're left with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Our division results in 1580.22 with a remaining 0.086.