2177899 ÷ 415 
The aim is to understand the frequency of 415 in 2177899.

Moving on to step 1:
The number 415 fits into 2 0 times, leaving a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Grab the next digit (1) from the dividend, add it to 2, then carry on: 21 / 415

On to step 2:
415 goes into 21 0 times with a remainder of 21.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 21 and we're left with 21.
Append the next digit (7) from the dividend to 21 and continue with: 217 / 415

Moving on to step 3:
415 goes into 217 0 times with a remainder of 217.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 217 to get 217.
Bring next digit (7) of the dividend behind the 217 and repeat the process: 2177 / 415

Let's proceed to step 4:
2177 divided by 415 is 5 with a remainder of 102.
The number 5 becomes the next digit in our result. 
Result so far: 5.0
Subtracting 2075 from 2177 leaves us with 102.
Fetch the next digit (8) from the dividend, attach it to 102 and continue: 1028 / 415

Moving on to step 5:
1028 divided by 415 is 2 with a remainder of 198.
Write down 2 as next digit of the result. 
Result so far: 52.0
Subtract 830 from 1028 to get 198.
Bring next digit (9) of the dividend behind the 198 and repeat the process: 1989 / 415

Moving on to step 6:
1989 divided by 415 is 4 with a remainder of 329.
Put 4 as the next digit of the answer. 
Result so far: 524.0
If we subtract 1660 from 1989, we get 329.
Fetch the next digit (9) from the dividend, attach it to 329 and continue: 3299 / 415

Step 7:
If we divide 3299 by 415, we get 7 and a remainder of 394.
The next digit of our result is 7. 
Result so far: 5247.0
Deduct 2905 from 3299 and we're left with 394.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3940, and continue the process.

Advancing to step 8:
The number 415 fits into 3940 9 times, leaving a remainder of 205.
Use 9 as the next digit of our solution. 
Result so far: 5247.9
Subtracting 3735 from 3940 leaves us with 205.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2050, and continue the process.

Step 9:
2050 divided by 415 is 4 with a remainder of 390.
The number 4 becomes the next digit in our result. 
Result so far: 5247.94
The remainder is 390 after subtracting 1660 from 2050.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3900, and continue the process.

On to step 10:
The number 415 fits into 3900 9 times, leaving a remainder of 165.
Record the quotient 9 as the next digit in the result. 
Result so far: 5247.949
The remainder is 165 after subtracting 3735 from 3900.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Advancing to step 11:
If we divide 1650 by 415, we get 3 and a remainder of 405.
Record the quotient 3 as the next digit in the result. 
Result so far: 5247.9493
Subtracting 1245 from 1650 leaves us with 405.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

Moving on to step 12:
If we divide 4050 by 415, we get 9 and a remainder of 315.
The next digit of our result is 9. 
Result so far: 5247.94939
Subtracting 3735 from 4050 leaves us with 315.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3150, and continue the process.

Advancing to step 13:
If we divide 3150 by 415, we get 7 and a remainder of 245.
Write down 7 as next digit of the result. 
Result so far: 5247.949397
Deduct 2905 from 3150 and we're left with 245.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2450, and continue the process.

Going ahead to step 14:
415 goes into 2450 5 times with a remainder of 375.
The next digit of our result is 5. 
Result so far: 5247.9493975
Subtract 2075 from 2450 to get 375.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3750, and continue the process.

Let's proceed to step 15:
If we divide 3750 by 415, we get 9 and a remainder of 15.
Write down 9 as next digit of the result. 
Result so far: 5247.94939759
If we subtract 3735 from 3750, we get 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

After the division, we end up with 5247.94939759 and a remainder of 1.5e-08.