68919621 divided by 411 
The aim is to understand the frequency of 411 in 68919621.

On to step 1:
6 divided by 411 is 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Take the next digit (8) from the dividend and append it to 6, then repeat: 68 / 411

On to step 2:
411 goes into 68 0 times with a remainder of 68.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 68 leaves us with 68.
Append the next digit (9) from the dividend to 68 and continue with: 689 / 411

Let's proceed to step 3:
411 goes into 689 1 times with a remainder of 278.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we subtract 411 from 689, we get 278.
Take the next digit (1) from the dividend and append it to 278, then repeat: 2781 / 411

Moving on to step 4:
The number 411 fits into 2781 6 times, leaving a remainder of 315.
The next digit of our result is 6. 
Result so far: 16.0
If we take 2466 away from 2781, we end up with 315.
Bring next digit (9) of the dividend behind the 315 and repeat the process: 3159 / 411

Advancing to step 5:
411 can be fit into 3159 7 times, resulting in a remainder of 282.
The number 7 becomes the next digit in our result. 
Result so far: 167.0
If we take 2877 away from 3159, we end up with 282.
Fetch the next digit (6) from the dividend, attach it to 282 and continue: 2826 / 411

Step 6:
411 goes into 2826 6 times with a remainder of 360.
Put 6 as the next digit of the answer. 
Result so far: 1676.0
Deduct 2466 from 2826 and we're left with 360.
Take the next digit (2) from the dividend and append it to 360, then repeat: 3602 / 411

Moving on to step 7:
The number 411 fits into 3602 8 times, leaving a remainder of 314.
Write down 8 as next digit of the result. 
Result so far: 16768.0
Subtracting 3288 from 3602 leaves us with 314.
Take the next digit (1) from the dividend and append it to 314, then repeat: 3141 / 411

On to step 8:
The number 411 fits into 3141 7 times, leaving a remainder of 264.
Write down 7 as next digit of the result. 
Result so far: 167687.0
Deduct 2877 from 3141 and we're left with 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Step 9:
If we divide 2640 by 411, we get 6 and a remainder of 174.
Record the quotient 6 as the next digit in the result. 
Result so far: 167687.6
If we subtract 2466 from 2640, we get 174.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1740, and continue the process.

Step 10:
1740 divided by 411 is 4 with a remainder of 96.
The next digit of our result is 4. 
Result so far: 167687.64
Subtract 1644 from 1740 to get 96.
Since there are no more digits in the dividend, we add a zero to the remainder making it 960, and continue the process.

Moving on to step 11:
If we divide 960 by 411, we get 2 and a remainder of 138.
Use 2 as the next digit of our solution. 
Result so far: 167687.642
If we take 822 away from 960, we end up with 138.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1380, and continue the process.

On to step 12:
411 goes into 1380 3 times with a remainder of 147.
Put 3 as the next digit of the answer. 
Result so far: 167687.6423
Subtract 1233 from 1380 to get 147.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1470, and continue the process.

Going ahead to step 13:
1470 divided by 411 is 3 with a remainder of 237.
The number 3 becomes the next digit in our result. 
Result so far: 167687.64233
Subtracting 1233 from 1470 leaves us with 237.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2370, and continue the process.

The final outcome is 167687.64233, with a leftover of 0.000237.