We're dividing 77001648 by 427 
The aim is to understand the frequency of 427 in 77001648.

Advancing to step 1:
427 can be fit into 7 0 times, resulting in a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 427

Going ahead to step 2:
427 goes into 77 0 times with a remainder of 77.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 77 after subtracting 0 from 77.
Include the next digit (0) from the dividend after 77, then repeat: 770 / 427

Advancing to step 3:
When dividing 770 by 427, we get 1 with a remainder of 343.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
If we subtract 427 from 770, we get 343.
Take the next digit (0) from the dividend and append it to 343, then repeat: 3430 / 427

On to step 4:
If we divide 3430 by 427, we get 8 and a remainder of 14.
The next digit of our result is 8. 
Result so far: 18.0
If we subtract 3416 from 3430, we get 14.
Append the next digit (1) from the dividend to 14 and continue with: 141 / 427

Going ahead to step 5:
If we divide 141 by 427, we get 0 and a remainder of 141.
Write down 0 as next digit of the result. 
Result so far: 180.0
Subtracting 0 from 141 leaves us with 141.
Append the next digit (6) from the dividend to 141 and continue with: 1416 / 427

Going ahead to step 6:
1416 divided by 427 is 3 with a remainder of 135.
Put 3 as the next digit of the answer. 
Result so far: 1803.0
Subtracting 1281 from 1416 leaves us with 135.
Include the next digit (4) from the dividend after 135, then repeat: 1354 / 427

On to step 7:
427 goes into 1354 3 times with a remainder of 73.
Use 3 as the next digit of our solution. 
Result so far: 18033.0
Subtract 1281 from 1354 to get 73.
Grab the next digit (8) from the dividend, add it to 73, then carry on: 738 / 427

Moving on to step 8:
When dividing 738 by 427, we get 1 with a remainder of 311.
Write down 1 as next digit of the result. 
Result so far: 180331.0
Deduct 427 from 738 and we're left with 311.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3110, and continue the process.

Advancing to step 9:
427 goes into 3110 7 times with a remainder of 121.
Put 7 as the next digit of the answer. 
Result so far: 180331.7
If we take 2989 away from 3110, we end up with 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Step 10:
427 can be fit into 1210 2 times, resulting in a remainder of 356.
Record the quotient 2 as the next digit in the result. 
Result so far: 180331.72
If we subtract 854 from 1210, we get 356.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3560, and continue the process.

On to step 11:
427 goes into 3560 8 times with a remainder of 144.
Put 8 as the next digit of the answer. 
Result so far: 180331.728
Subtracting 3416 from 3560 leaves us with 144.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Step 12:
1440 divided by 427 is 3 with a remainder of 159.
Use 3 as the next digit of our solution. 
Result so far: 180331.7283
Deduct 1281 from 1440 and we're left with 159.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1590, and continue the process.

Moving on to step 13:
If we divide 1590 by 427, we get 3 and a remainder of 309.
The next digit of our result is 3. 
Result so far: 180331.72833
Subtracting 1281 from 1590 leaves us with 309.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3090, and continue the process.

The final result is 180331.72833 with a remainder of 0.000309.