Let's divide 630301 by 7
The aim is to understand the frequency of 7 in 630301.

Step 1:
7 can be fit into 6 0 times, resulting in a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Bring next digit (3) of the dividend behind the 6 and repeat the process: 63 / 7

Let's proceed to step 2:
When dividing 63 by 7, we get 9 with a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
The remainder is 0 after subtracting 63 from 63.
Include the next digit (0) from the dividend after 0, then repeat: 0 / 7

Going ahead to step 3:
The number 7 fits into 0 0 times, leaving a remainder of 0.
The next digit of our result is 0. 
Result so far: 90.0
The remainder is 0 after subtracting 0 from 0.
Include the next digit (3) from the dividend after 0, then repeat: 3 / 7

Step 4:
The number 7 fits into 3 0 times, leaving a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 900.0
If we subtract 0 from 3, we get 3.
Take the next digit (0) from the dividend and append it to 3, then repeat: 30 / 7

Advancing to step 5:
30 divided by 7 is 4 with a remainder of 2.
Put 4 as the next digit of the answer. 
Result so far: 9004.0
Deduct 28 from 30 and we're left with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 7

Let's proceed to step 6:
The number 7 fits into 21 3 times, leaving a remainder of 0.
Put 3 as the next digit of the answer. 
Result so far: 90043.0
The remainder is 0 after subtracting 21 from 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
The number 7 fits into 0 0 times, leaving a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 90043.0
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.

Step 8:
7 goes into 0 0 times with a remainder of 0.
Record the quotient 0 as the next digit in the result. 
Result so far: 90043.0
Deduct 0 from 0 and we're left 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.

The quotient of the division is 90043.0, and the remainder is 0.0.