404404 divided by 77 
The aim is to understand the frequency of 77 in 404404.

Step 1:
The number 77 fits into 4 0 times, leaving a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 4 after subtracting 0 from 4.
Fetch the next digit (0) from the dividend, attach it to 4 and continue: 40 / 77

On to step 2:
When dividing 40 by 77, we get 0 with a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 40 to get 40.
Grab the next digit (4) from the dividend, add it to 40, then carry on: 404 / 77

Advancing to step 3:
If we divide 404 by 77, we get 5 and a remainder of 19.
Write down 5 as next digit of the result. 
Result so far: 5.0
Subtract 385 from 404 to get 19.
Take the next digit (4) from the dividend and append it to 19, then repeat: 194 / 77

Step 4:
77 can be fit into 194 2 times, resulting in a remainder of 40.
Write down 2 as next digit of the result. 
Result so far: 52.0
Deduct 154 from 194 and we're left with 40.
Take the next digit (0) from the dividend and append it to 40, then repeat: 400 / 77

Moving on to step 5:
77 goes into 400 5 times with a remainder of 15.
Put 5 as the next digit of the answer. 
Result so far: 525.0
The remainder is 15 after subtracting 385 from 400.
Take the next digit (4) from the dividend and append it to 15, then repeat: 154 / 77

Going ahead to step 6:
154 divided by 77 is 2 with a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 5252.0
Subtract 154 from 154 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 7:
77 goes into 0 0 times with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 5252.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
77 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 5252.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 5252.0 with a balance of 0.0.