We look at the division of 42082415 by 987 
The aim is to understand the frequency of 987 in 42082415.

Moving on to step 1:
987 can be fit into 4 0 times, resulting in a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Fetch the next digit (2) from the dividend, attach it to 4 and continue: 42 / 987

Let's proceed to step 2:
42 divided by 987 is 0 with a remainder of 42.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 42 and we're left with 42.
Take the next digit (0) from the dividend and append it to 42, then repeat: 420 / 987

Going ahead to step 3:
987 can be fit into 420 0 times, resulting in a remainder of 420.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 420 to get 420.
Take the next digit (8) from the dividend and append it to 420, then repeat: 4208 / 987

On to step 4:
4208 divided by 987 is 4 with a remainder of 260.
Write down 4 as next digit of the result. 
Result so far: 4.0
Subtract 3948 from 4208 to get 260.
Append the next digit (2) from the dividend to 260 and continue with: 2602 / 987

On to step 5:
987 can be fit into 2602 2 times, resulting in a remainder of 628.
Put 2 as the next digit of the answer. 
Result so far: 42.0
Deduct 1974 from 2602 and we're left with 628.
Fetch the next digit (4) from the dividend, attach it to 628 and continue: 6284 / 987

Step 6:
The number 987 fits into 6284 6 times, leaving a remainder of 362.
Put 6 as the next digit of the answer. 
Result so far: 426.0
If we subtract 5922 from 6284, we get 362.
Append the next digit (1) from the dividend to 362 and continue with: 3621 / 987

Going ahead to step 7:
987 can be fit into 3621 3 times, resulting in a remainder of 660.
Record the quotient 3 as the next digit in the result. 
Result so far: 4263.0
The remainder is 660 after subtracting 2961 from 3621.
Take the next digit (5) from the dividend and append it to 660, then repeat: 6605 / 987

Going ahead to step 8:
The number 987 fits into 6605 6 times, leaving a remainder of 683.
Use 6 as the next digit of our solution. 
Result so far: 42636.0
Deduct 5922 from 6605 and we're left with 683.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6830, and continue the process.

Step 9:
If we divide 6830 by 987, we get 6 and a remainder of 908.
Write down 6 as next digit of the result. 
Result so far: 42636.6
If we take 5922 away from 6830, we end up with 908.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9080, and continue the process.

Let's proceed to step 10:
The number 987 fits into 9080 9 times, leaving a remainder of 197.
Put 9 as the next digit of the answer. 
Result so far: 42636.69
If we take 8883 away from 9080, we end up with 197.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1970, and continue the process.

Moving on to step 11:
1970 divided by 987 is 1 with a remainder of 983.
Write down 1 as next digit of the result. 
Result so far: 42636.691
The remainder is 983 after subtracting 987 from 1970.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9830, and continue the process.

Moving on to step 12:
987 can be fit into 9830 9 times, resulting in a remainder of 947.
Use 9 as the next digit of our solution. 
Result so far: 42636.6919
If we subtract 8883 from 9830, we get 947.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9470, and continue the process.

Moving on to step 13:
9470 divided by 987 is 9 with a remainder of 587.
Put 9 as the next digit of the answer. 
Result so far: 42636.69199
Deduct 8883 from 9470 and we're left with 587.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5870, and continue the process.

The final outcome is 42636.69199, with a leftover of 0.000587.