We look at the division of 73509107 by 910 
The aim is to understand the frequency of 910 in 73509107.

Let's proceed to step 1:
If we divide 7 by 910, we get 0 and a remainder of 7.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Append the next digit (3) from the dividend to 7 and continue with: 73 / 910

On to step 2:
The number 910 fits into 73 0 times, leaving a remainder of 73.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 73, we get 73.
Append the next digit (5) from the dividend to 73 and continue with: 735 / 910

Step 3:
If we divide 735 by 910, we get 0 and a remainder of 735.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 735 after subtracting 0 from 735.
Include the next digit (0) from the dividend after 735, then repeat: 7350 / 910

On to step 4:
910 can be fit into 7350 8 times, resulting in a remainder of 70.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
If we take 7280 away from 7350, we end up with 70.
Append the next digit (9) from the dividend to 70 and continue with: 709 / 910

On to step 5:
910 can be fit into 709 0 times, resulting in a remainder of 709.
The next digit of our result is 0. 
Result so far: 80.0
Subtracting 0 from 709 leaves us with 709.
Grab the next digit (1) from the dividend, add it to 709, then carry on: 7091 / 910

Step 6:
The number 910 fits into 7091 7 times, leaving a remainder of 721.
The next digit of our result is 7. 
Result so far: 807.0
The remainder is 721 after subtracting 6370 from 7091.
Fetch the next digit (0) from the dividend, attach it to 721 and continue: 7210 / 910

On to step 7:
910 goes into 7210 7 times with a remainder of 840.
Use 7 as the next digit of our solution. 
Result so far: 8077.0
Deduct 6370 from 7210 and we're left with 840.
Grab the next digit (7) from the dividend, add it to 840, then carry on: 8407 / 910

Going ahead to step 8:
The number 910 fits into 8407 9 times, leaving a remainder of 217.
Put 9 as the next digit of the answer. 
Result so far: 80779.0
The remainder is 217 after subtracting 8190 from 8407.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2170, and continue the process.

Advancing to step 9:
The number 910 fits into 2170 2 times, leaving a remainder of 350.
Use 2 as the next digit of our solution. 
Result so far: 80779.2
Subtract 1820 from 2170 to get 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3500, and continue the process.

Moving on to step 10:
3500 divided by 910 is 3 with a remainder of 770.
The next digit of our result is 3. 
Result so far: 80779.23
If we take 2730 away from 3500, we end up with 770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7700, and continue the process.

Advancing to step 11:
The number 910 fits into 7700 8 times, leaving a remainder of 420.
Record the quotient 8 as the next digit in the result. 
Result so far: 80779.238
The remainder is 420 after subtracting 7280 from 7700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4200, and continue the process.

Moving on to step 12:
4200 divided by 910 is 4 with a remainder of 560.
Record the quotient 4 as the next digit in the result. 
Result so far: 80779.2384
If we subtract 3640 from 4200, we get 560.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5600, and continue the process.

Going ahead to step 13:
When dividing 5600 by 910, we get 6 with a remainder of 140.
Use 6 as the next digit of our solution. 
Result so far: 80779.23846
If we subtract 5460 from 5600, we 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 14:
910 can be fit into 1400 1 times, resulting in a remainder of 490.
Put 1 as the next digit of the answer. 
Result so far: 80779.238461
Deduct 910 from 1400 and we're left with 490.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4900, and continue the process.

Step 15:
If we divide 4900 by 910, we get 5 and a remainder of 350.
Write down 5 as next digit of the result. 
Result so far: 80779.2384615
Deduct 4550 from 4900 and we're left with 350.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3500, and continue the process.

Moving on to step 16:
3500 divided by 910 is 3 with a remainder of 770.
The number 3 becomes the next digit in our result. 
Result so far: 80779.23846153
Deduct 2730 from 3500 and we're left with 770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7700, and continue the process.

In conclusion, the division gives 80779.23846153 with a balance of 7.7e-07.