Let's divide 6903 by 507
The aim is to understand the frequency of 507 in 6903.

Step 1:
507 goes into 6 0 times with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Grab the next digit (9) from the dividend, add it to 6, then carry on: 69 / 507

Moving on to step 2:
507 can be fit into 69 0 times, resulting in a remainder of 69.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 69 to get 69.
Fetch the next digit (0) from the dividend, attach it to 69 and continue: 690 / 507

Advancing to step 3:
When dividing 690 by 507, we get 1 with a remainder of 183.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtracting 507 from 690 leaves us with 183.
Take the next digit (3) from the dividend and append it to 183, then repeat: 1833 / 507

Advancing to step 4:
The number 507 fits into 1833 3 times, leaving a remainder of 312.
Write down 3 as next digit of the result. 
Result so far: 13.0
Deduct 1521 from 1833 and we're left with 312.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3120, and continue the process.

Let's proceed to step 5:
The number 507 fits into 3120 6 times, leaving a remainder of 78.
Use 6 as the next digit of our solution. 
Result so far: 13.6
Subtracting 3042 from 3120 leaves us with 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Step 6:
The number 507 fits into 780 1 times, leaving a remainder of 273.
The number 1 becomes the next digit in our result. 
Result so far: 13.61
Subtract 507 from 780 to get 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

On to step 7:
If we divide 2730 by 507, we get 5 and a remainder of 195.
Put 5 as the next digit of the answer. 
Result so far: 13.615
Subtract 2535 from 2730 to get 195.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1950, and continue the process.

Moving on to step 8:
507 can be fit into 1950 3 times, resulting in a remainder of 429.
Record the quotient 3 as the next digit in the result. 
Result so far: 13.6153
Subtract 1521 from 1950 to get 429.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4290, and continue the process.

Step 9:
4290 divided by 507 is 8 with a remainder of 234.
Use 8 as the next digit of our solution. 
Result so far: 13.61538
If we subtract 4056 from 4290, we get 234.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

Advancing to step 10:
If we divide 2340 by 507, we get 4 and a remainder of 312.
Put 4 as the next digit of the answer. 
Result so far: 13.615384
If we subtract 2028 from 2340, we get 312.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3120, and continue the process.

Step 11:
When dividing 3120 by 507, we get 6 with a remainder of 78.
The number 6 becomes the next digit in our result. 
Result so far: 13.6153846
Subtract 3042 from 3120 to get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Let's proceed to step 12:
The number 507 fits into 780 1 times, leaving a remainder of 273.
The next digit of our result is 1. 
Result so far: 13.61538461
Subtract 507 from 780 to get 273.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2730, and continue the process.

After the division, we end up with 13.61538461 and a remainder of 2.73e-07.