635525 divided by 1 
The aim is to understand the frequency of 1 in 635525.

Moving on to step 1:
The number 1 fits into 6 6 times, leaving a remainder of 0.
The number 6 becomes the next digit in our result. 
Result so far: 6.0
Deduct 6 from 6 and we're left with 0.
Bring next digit (3) of the dividend behind the 0 and repeat the process: 3 / 1

Going ahead to step 2:
1 goes into 3 3 times with a remainder of 0.
The next digit of our result is 3. 
Result so far: 63.0
Deduct 3 from 3 and we're left with 0.
Grab the next digit (5) from the dividend, add it to 0, then carry on: 5 / 1

Step 3:
5 divided by 1 is 5 with a remainder of 0.
The number 5 becomes the next digit in our result. 
Result so far: 635.0
If we take 5 away from 5, we end up with 0.
Grab the next digit (5) from the dividend, add it to 0, then carry on: 5 / 1

Moving on to step 4:
The number 1 fits into 5 5 times, leaving a remainder of 0.
Put 5 as the next digit of the answer. 
Result so far: 6355.0
Subtract 5 from 5 to get 0.
Append the next digit (2) from the dividend to 0 and continue with: 2 / 1

Moving on to step 5:
2 divided by 1 is 2 with a remainder of 0.
Use 2 as the next digit of our solution. 
Result so far: 63552.0
Subtract 2 from 2 to get 0.
Fetch the next digit (5) from the dividend, attach it to 0 and continue: 5 / 1

Advancing to step 6:
When dividing 5 by 1, we get 5 with a remainder of 0.
The next digit of our result is 5. 
Result so far: 635525.0
Subtracting 5 from 5 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 7:
The number 1 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 635525.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 8:
1 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 635525.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 635525.0 with a remaining 0.0.