73511251 divided by 207 
The aim is to understand the frequency of 207 in 73511251.

On to step 1:
The number 207 fits into 7 0 times, leaving a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Fetch the next digit (3) from the dividend, attach it to 7 and continue: 73 / 207

Let's proceed to step 2:
73 divided by 207 is 0 with a remainder of 73.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 73, we get 73.
Include the next digit (5) from the dividend after 73, then repeat: 735 / 207

Moving on to step 3:
The number 207 fits into 735 3 times, leaving a remainder of 114.
The next digit of our result is 3. 
Result so far: 3.0
Deduct 621 from 735 and we're left with 114.
Grab the next digit (1) from the dividend, add it to 114, then carry on: 1141 / 207

Going ahead to step 4:
The number 207 fits into 1141 5 times, leaving a remainder of 106.
Use 5 as the next digit of our solution. 
Result so far: 35.0
If we subtract 1035 from 1141, we get 106.
Grab the next digit (1) from the dividend, add it to 106, then carry on: 1061 / 207

Advancing to step 5:
207 goes into 1061 5 times with a remainder of 26.
The next digit of our result is 5. 
Result so far: 355.0
If we subtract 1035 from 1061, we get 26.
Fetch the next digit (2) from the dividend, attach it to 26 and continue: 262 / 207

Step 6:
When dividing 262 by 207, we get 1 with a remainder of 55.
Put 1 as the next digit of the answer. 
Result so far: 3551.0
The remainder is 55 after subtracting 207 from 262.
Append the next digit (5) from the dividend to 55 and continue with: 555 / 207

On to step 7:
The number 207 fits into 555 2 times, leaving a remainder of 141.
The number 2 becomes the next digit in our result. 
Result so far: 35512.0
Subtracting 414 from 555 leaves us with 141.
Bring next digit (1) of the dividend behind the 141 and repeat the process: 1411 / 207

Let's proceed to step 8:
1411 divided by 207 is 6 with a remainder of 169.
The next digit of our result is 6. 
Result so far: 355126.0
Subtract 1242 from 1411 to get 169.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

On to step 9:
When dividing 1690 by 207, we get 8 with a remainder of 34.
Write down 8 as next digit of the result. 
Result so far: 355126.8
The remainder is 34 after subtracting 1656 from 1690.
Since there are no more digits in the dividend, we add a zero to the remainder making it 340, and continue the process.

Going ahead to step 10:
207 goes into 340 1 times with a remainder of 133.
The next digit of our result is 1. 
Result so far: 355126.81
If we subtract 207 from 340, we get 133.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1330, and continue the process.

Let's proceed to step 11:
The number 207 fits into 1330 6 times, leaving a remainder of 88.
The next digit of our result is 6. 
Result so far: 355126.816
The remainder is 88 after subtracting 1242 from 1330.
Since there are no more digits in the dividend, we add a zero to the remainder making it 880, and continue the process.

Step 12:
207 can be fit into 880 4 times, resulting in a remainder of 52.
The number 4 becomes the next digit in our result. 
Result so far: 355126.8164
Subtract 828 from 880 to get 52.
Since there are no more digits in the dividend, we add a zero to the remainder making it 520, and continue the process.

Let's proceed to step 13:
When dividing 520 by 207, we get 2 with a remainder of 106.
Put 2 as the next digit of the answer. 
Result so far: 355126.81642
The remainder is 106 after subtracting 414 from 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

Moving on to step 14:
When dividing 1060 by 207, we get 5 with a remainder of 25.
Use 5 as the next digit of our solution. 
Result so far: 355126.816425
Subtracting 1035 from 1060 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

On to step 15:
When dividing 250 by 207, we get 1 with a remainder of 43.
Write down 1 as next digit of the result. 
Result so far: 355126.8164251
If we subtract 207 from 250, we get 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Moving on to step 16:
If we divide 430 by 207, we get 2 and a remainder of 16.
Record the quotient 2 as the next digit in the result. 
Result so far: 355126.81642512
Deduct 414 from 430 and we're left with 16.
Since there are no more digits in the dividend, we add a zero to the remainder making it 160, and continue the process.

After the division, we end up with 355126.81642512 and a remainder of 1.6e-08.