We're dividing 53608096 by 690 
The aim is to understand the frequency of 690 in 53608096.

Advancing to step 1:
5 divided by 690 is 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 5 to get 5.
Include the next digit (3) from the dividend after 5, then repeat: 53 / 690

Advancing to step 2:
690 goes into 53 0 times with a remainder of 53.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 53, we get 53.
Fetch the next digit (6) from the dividend, attach it to 53 and continue: 536 / 690

Step 3:
When dividing 536 by 690, we get 0 with a remainder of 536.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 536 after subtracting 0 from 536.
Bring next digit (0) of the dividend behind the 536 and repeat the process: 5360 / 690

On to step 4:
5360 divided by 690 is 7 with a remainder of 530.
Put 7 as the next digit of the answer. 
Result so far: 7.0
The remainder is 530 after subtracting 4830 from 5360.
Include the next digit (8) from the dividend after 530, then repeat: 5308 / 690

Let's proceed to step 5:
690 can be fit into 5308 7 times, resulting in a remainder of 478.
The next digit of our result is 7. 
Result so far: 77.0
If we subtract 4830 from 5308, we get 478.
Fetch the next digit (0) from the dividend, attach it to 478 and continue: 4780 / 690

Advancing to step 6:
The number 690 fits into 4780 6 times, leaving a remainder of 640.
The number 6 becomes the next digit in our result. 
Result so far: 776.0
If we take 4140 away from 4780, we end up with 640.
Append the next digit (9) from the dividend to 640 and continue with: 6409 / 690

On to step 7:
If we divide 6409 by 690, we get 9 and a remainder of 199.
Use 9 as the next digit of our solution. 
Result so far: 7769.0
If we take 6210 away from 6409, we end up with 199.
Take the next digit (6) from the dividend and append it to 199, then repeat: 1996 / 690

Let's proceed to step 8:
If we divide 1996 by 690, we get 2 and a remainder of 616.
Put 2 as the next digit of the answer. 
Result so far: 77692.0
Deduct 1380 from 1996 and we're left with 616.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6160, and continue the process.

On to step 9:
When dividing 6160 by 690, we get 8 with a remainder of 640.
Record the quotient 8 as the next digit in the result. 
Result so far: 77692.8
If we subtract 5520 from 6160, we get 640.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6400, and continue the process.

Step 10:
The number 690 fits into 6400 9 times, leaving a remainder of 190.
The number 9 becomes the next digit in our result. 
Result so far: 77692.89
The remainder is 190 after subtracting 6210 from 6400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1900, and continue the process.

Step 11:
690 can be fit into 1900 2 times, resulting in a remainder of 520.
Use 2 as the next digit of our solution. 
Result so far: 77692.892
Subtracting 1380 from 1900 leaves us with 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Going ahead to step 12:
The number 690 fits into 5200 7 times, leaving a remainder of 370.
Write down 7 as next digit of the result. 
Result so far: 77692.8927
Subtract 4830 from 5200 to get 370.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

On to step 13:
If we divide 3700 by 690, we get 5 and a remainder of 250.
Put 5 as the next digit of the answer. 
Result so far: 77692.89275
If we take 3450 away from 3700, we end up with 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Advancing to step 14:
If we divide 2500 by 690, we get 3 and a remainder of 430.
Put 3 as the next digit of the answer. 
Result so far: 77692.892753
The remainder is 430 after subtracting 2070 from 2500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4300, and continue the process.

Going ahead to step 15:
690 can be fit into 4300 6 times, resulting in a remainder of 160.
Record the quotient 6 as the next digit in the result. 
Result so far: 77692.8927536
If we take 4140 away from 4300, we end up with 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

On to step 16:
690 goes into 1600 2 times with a remainder of 220.
The next digit of our result is 2. 
Result so far: 77692.89275362
Subtract 1380 from 1600 to get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

The final outcome is 77692.89275362, with a leftover of 2.2e-07.