63549079 ÷ 209 
The aim is to understand the frequency of 209 in 63549079.

Step 1:
If we divide 6 by 209, we get 0 and a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Take the next digit (3) from the dividend and append it to 6, then repeat: 63 / 209

Moving on to step 2:
When dividing 63 by 209, we get 0 with a remainder of 63.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 63 after subtracting 0 from 63.
Bring next digit (5) of the dividend behind the 63 and repeat the process: 635 / 209

Going ahead to step 3:
635 divided by 209 is 3 with a remainder of 8.
Write down 3 as next digit of the result. 
Result so far: 3.0
Subtracting 627 from 635 leaves us with 8.
Take the next digit (4) from the dividend and append it to 8, then repeat: 84 / 209

Going ahead to step 4:
If we divide 84 by 209, we get 0 and a remainder of 84.
The next digit of our result is 0. 
Result so far: 30.0
If we take 0 away from 84, we end up with 84.
Append the next digit (9) from the dividend to 84 and continue with: 849 / 209

Going ahead to step 5:
If we divide 849 by 209, we get 4 and a remainder of 13.
Write down 4 as next digit of the result. 
Result so far: 304.0
The remainder is 13 after subtracting 836 from 849.
Grab the next digit (0) from the dividend, add it to 13, then carry on: 130 / 209

On to step 6:
The number 209 fits into 130 0 times, leaving a remainder of 130.
Put 0 as the next digit of the answer. 
Result so far: 3040.0
Deduct 0 from 130 and we're left with 130.
Append the next digit (7) from the dividend to 130 and continue with: 1307 / 209

Advancing to step 7:
209 can be fit into 1307 6 times, resulting in a remainder of 53.
Put 6 as the next digit of the answer. 
Result so far: 30406.0
If we subtract 1254 from 1307, we get 53.
Bring next digit (9) of the dividend behind the 53 and repeat the process: 539 / 209

Going ahead to step 8:
209 goes into 539 2 times with a remainder of 121.
Write down 2 as next digit of the result. 
Result so far: 304062.0
If we take 418 away from 539, we end up with 121.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1210, and continue the process.

Advancing to step 9:
The number 209 fits into 1210 5 times, leaving a remainder of 165.
Write down 5 as next digit of the result. 
Result so far: 304062.5
Deduct 1045 from 1210 and we're left with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Step 10:
When dividing 1650 by 209, we get 7 with a remainder of 187.
Write down 7 as next digit of the result. 
Result so far: 304062.57
Deduct 1463 from 1650 and we're left with 187.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1870, and continue the process.

Let's proceed to step 11:
When dividing 1870 by 209, we get 8 with a remainder of 198.
Write down 8 as next digit of the result. 
Result so far: 304062.578
Deduct 1672 from 1870 and we're left with 198.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1980, and continue the process.

Let's proceed to step 12:
The number 209 fits into 1980 9 times, leaving a remainder of 99.
Record the quotient 9 as the next digit in the result. 
Result so far: 304062.5789
The remainder is 99 after subtracting 1881 from 1980.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Moving on to step 13:
The number 209 fits into 990 4 times, leaving a remainder of 154.
The number 4 becomes the next digit in our result. 
Result so far: 304062.57894
If we subtract 836 from 990, we get 154.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1540, and continue the process.

Moving on to step 14:
When dividing 1540 by 209, we get 7 with a remainder of 77.
The number 7 becomes the next digit in our result. 
Result so far: 304062.578947
If we take 1463 away from 1540, we end up with 77.
Since there are no more digits in the dividend, we add a zero to the remainder making it 770, and continue the process.

Step 15:
The number 209 fits into 770 3 times, leaving a remainder of 143.
Record the quotient 3 as the next digit in the result. 
Result so far: 304062.5789473
Subtracting 627 from 770 leaves us with 143.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1430, and continue the process.

On to step 16:
When dividing 1430 by 209, we get 6 with a remainder of 176.
The next digit of our result is 6. 
Result so far: 304062.57894736
If we subtract 1254 from 1430, we get 176.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

The quotient of the division is 304062.57894736, and the remainder is 1.76e-07.