Let's divide 35280007 by 690
The aim is to understand the frequency of 690 in 35280007.

Moving on to step 1:
The number 690 fits into 3 0 times, leaving a remainder of 3.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 3 to get 3.
Take the next digit (5) from the dividend and append it to 3, then repeat: 35 / 690

Going ahead to step 2:
The number 690 fits into 35 0 times, leaving a remainder of 35.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 35 leaves us with 35.
Append the next digit (2) from the dividend to 35 and continue with: 352 / 690

On to step 3:
If we divide 352 by 690, we get 0 and a remainder of 352.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 352, we end up with 352.
Take the next digit (8) from the dividend and append it to 352, then repeat: 3528 / 690

On to step 4:
690 can be fit into 3528 5 times, resulting in a remainder of 78.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
Subtracting 3450 from 3528 leaves us with 78.
Append the next digit (0) from the dividend to 78 and continue with: 780 / 690

Moving on to step 5:
If we divide 780 by 690, we get 1 and a remainder of 90.
The next digit of our result is 1. 
Result so far: 51.0
The remainder is 90 after subtracting 690 from 780.
Append the next digit (0) from the dividend to 90 and continue with: 900 / 690

Step 6:
When dividing 900 by 690, we get 1 with a remainder of 210.
Record the quotient 1 as the next digit in the result. 
Result so far: 511.0
Subtracting 690 from 900 leaves us with 210.
Grab the next digit (0) from the dividend, add it to 210, then carry on: 2100 / 690

Step 7:
If we divide 2100 by 690, we get 3 and a remainder of 30.
Use 3 as the next digit of our solution. 
Result so far: 5113.0
Subtracting 2070 from 2100 leaves us with 30.
Append the next digit (7) from the dividend to 30 and continue with: 307 / 690

Going ahead to step 8:
307 divided by 690 is 0 with a remainder of 307.
Put 0 as the next digit of the answer. 
Result so far: 51130.0
Deduct 0 from 307 and we're left with 307.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3070, and continue the process.

Let's proceed to step 9:
When dividing 3070 by 690, we get 4 with a remainder of 310.
The next digit of our result is 4. 
Result so far: 51130.4
Subtracting 2760 from 3070 leaves us with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

Advancing to step 10:
3100 divided by 690 is 4 with a remainder of 340.
Record the quotient 4 as the next digit in the result. 
Result so far: 51130.44
If we subtract 2760 from 3100, we get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

The final result is 51130.44 with a remainder of 0.34.