71039885 divided by 630 
The aim is to understand the frequency of 630 in 71039885.

Step 1:
When dividing 7 by 630, we get 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Append the next digit (1) from the dividend to 7 and continue with: 71 / 630

Advancing to step 2:
When dividing 71 by 630, we get 0 with a remainder of 71.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 71, we end up with 71.
Bring next digit (0) of the dividend behind the 71 and repeat the process: 710 / 630

Moving on to step 3:
630 can be fit into 710 1 times, resulting in a remainder of 80.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 630 from 710 and we're left with 80.
Grab the next digit (3) from the dividend, add it to 80, then carry on: 803 / 630

Advancing to step 4:
630 can be fit into 803 1 times, resulting in a remainder of 173.
The next digit of our result is 1. 
Result so far: 11.0
If we subtract 630 from 803, we get 173.
Bring next digit (9) of the dividend behind the 173 and repeat the process: 1739 / 630

Let's proceed to step 5:
If we divide 1739 by 630, we get 2 and a remainder of 479.
The next digit of our result is 2. 
Result so far: 112.0
Deduct 1260 from 1739 and we're left with 479.
Bring next digit (8) of the dividend behind the 479 and repeat the process: 4798 / 630

Going ahead to step 6:
When dividing 4798 by 630, we get 7 with a remainder of 388.
Use 7 as the next digit of our solution. 
Result so far: 1127.0
Subtract 4410 from 4798 to get 388.
Include the next digit (8) from the dividend after 388, then repeat: 3888 / 630

Advancing to step 7:
3888 divided by 630 is 6 with a remainder of 108.
The next digit of our result is 6. 
Result so far: 11276.0
If we take 3780 away from 3888, we end up with 108.
Append the next digit (5) from the dividend to 108 and continue with: 1085 / 630

Step 8:
When dividing 1085 by 630, we get 1 with a remainder of 455.
Use 1 as the next digit of our solution. 
Result so far: 112761.0
The remainder is 455 after subtracting 630 from 1085.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4550, and continue the process.

Step 9:
4550 divided by 630 is 7 with a remainder of 140.
Write down 7 as next digit of the result. 
Result so far: 112761.7
Subtract 4410 from 4550 to get 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Let's proceed to step 10:
630 goes into 1400 2 times with a remainder of 140.
Use 2 as the next digit of our solution. 
Result so far: 112761.72
If we take 1260 away from 1400, we end up with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Going ahead to step 11:
If we divide 1400 by 630, we get 2 and a remainder of 140.
Record the quotient 2 as the next digit in the result. 
Result so far: 112761.722
Subtracting 1260 from 1400 leaves us with 140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1400, and continue the process.

Our division results in 112761.722 with a remaining 0.014.