We divide 69090365 by 390
The aim is to understand the frequency of 390 in 69090365.

Moving on to step 1:
390 can be fit into 6 0 times, resulting in a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (9) from the dividend, attach it to 6 and continue: 69 / 390

On to step 2:
69 divided by 390 is 0 with a remainder of 69.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 69 after subtracting 0 from 69.
Bring next digit (0) of the dividend behind the 69 and repeat the process: 690 / 390

Advancing to step 3:
When dividing 690 by 390, we get 1 with a remainder of 300.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 300 after subtracting 390 from 690.
Grab the next digit (9) from the dividend, add it to 300, then carry on: 3009 / 390

Moving on to step 4:
3009 divided by 390 is 7 with a remainder of 279.
The next digit of our result is 7. 
Result so far: 17.0
Deduct 2730 from 3009 and we're left with 279.
Bring next digit (0) of the dividend behind the 279 and repeat the process: 2790 / 390

Going ahead to step 5:
390 can be fit into 2790 7 times, resulting in a remainder of 60.
The number 7 becomes the next digit in our result. 
Result so far: 177.0
Subtracting 2730 from 2790 leaves us with 60.
Take the next digit (3) from the dividend and append it to 60, then repeat: 603 / 390

Moving on to step 6:
390 goes into 603 1 times with a remainder of 213.
Record the quotient 1 as the next digit in the result. 
Result so far: 1771.0
If we subtract 390 from 603, we get 213.
Include the next digit (6) from the dividend after 213, then repeat: 2136 / 390

Going ahead to step 7:
The number 390 fits into 2136 5 times, leaving a remainder of 186.
The number 5 becomes the next digit in our result. 
Result so far: 17715.0
If we subtract 1950 from 2136, we get 186.
Bring next digit (5) of the dividend behind the 186 and repeat the process: 1865 / 390

Advancing to step 8:
390 goes into 1865 4 times with a remainder of 305.
Record the quotient 4 as the next digit in the result. 
Result so far: 177154.0
The remainder is 305 after subtracting 1560 from 1865.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3050, and continue the process.

Let's proceed to step 9:
390 can be fit into 3050 7 times, resulting in a remainder of 320.
The next digit of our result is 7. 
Result so far: 177154.7
Deduct 2730 from 3050 and we're left with 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

On to step 10:
The number 390 fits into 3200 8 times, leaving a remainder of 80.
The number 8 becomes the next digit in our result. 
Result so far: 177154.78
Subtracting 3120 from 3200 leaves us with 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Advancing to step 11:
800 divided by 390 is 2 with a remainder of 20.
The next digit of our result is 2. 
Result so far: 177154.782
If we take 780 away from 800, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Step 12:
200 divided by 390 is 0 with a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 177154.782
Subtract 0 from 200 to get 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Going ahead to step 13:
390 can be fit into 2000 5 times, resulting in a remainder of 50.
Use 5 as the next digit of our solution. 
Result so far: 177154.78205
Subtract 1950 from 2000 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Moving on to step 14:
The number 390 fits into 500 1 times, leaving a remainder of 110.
Use 1 as the next digit of our solution. 
Result so far: 177154.782051
Subtract 390 from 500 to get 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

On to step 15:
390 can be fit into 1100 2 times, resulting in a remainder of 320.
Write down 2 as next digit of the result. 
Result so far: 177154.7820512
The remainder is 320 after subtracting 780 from 1100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Moving on to step 16:
The number 390 fits into 3200 8 times, leaving a remainder of 80.
The number 8 becomes the next digit in our result. 
Result so far: 177154.78205128
Subtract 3120 from 3200 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

In conclusion, the division gives 177154.78205128 with a balance of 8e-08.