We look at the division of 99459291 by 670 
The aim is to understand the frequency of 670 in 99459291.

Let's proceed to step 1:
670 can be fit into 9 0 times, resulting in a remainder of 9.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 9 to get 9.
Bring next digit (9) of the dividend behind the 9 and repeat the process: 99 / 670

Step 2:
When dividing 99 by 670, we get 0 with a remainder of 99.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 99 to get 99.
Fetch the next digit (4) from the dividend, attach it to 99 and continue: 994 / 670

Moving on to step 3:
670 can be fit into 994 1 times, resulting in a remainder of 324.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 670 from 994 to get 324.
Take the next digit (5) from the dividend and append it to 324, then repeat: 3245 / 670

Let's proceed to step 4:
670 goes into 3245 4 times with a remainder of 565.
The number 4 becomes the next digit in our result. 
Result so far: 14.0
The remainder is 565 after subtracting 2680 from 3245.
Grab the next digit (9) from the dividend, add it to 565, then carry on: 5659 / 670

Step 5:
The number 670 fits into 5659 8 times, leaving a remainder of 299.
Write down 8 as next digit of the result. 
Result so far: 148.0
Subtract 5360 from 5659 to get 299.
Grab the next digit (2) from the dividend, add it to 299, then carry on: 2992 / 670

Going ahead to step 6:
670 goes into 2992 4 times with a remainder of 312.
Write down 4 as next digit of the result. 
Result so far: 1484.0
Deduct 2680 from 2992 and we're left with 312.
Take the next digit (9) from the dividend and append it to 312, then repeat: 3129 / 670

Advancing to step 7:
When dividing 3129 by 670, we get 4 with a remainder of 449.
Record the quotient 4 as the next digit in the result. 
Result so far: 14844.0
The remainder is 449 after subtracting 2680 from 3129.
Grab the next digit (1) from the dividend, add it to 449, then carry on: 4491 / 670

Advancing to step 8:
670 goes into 4491 6 times with a remainder of 471.
The next digit of our result is 6. 
Result so far: 148446.0
Subtract 4020 from 4491 to get 471.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4710, and continue the process.

Moving on to step 9:
4710 divided by 670 is 7 with a remainder of 20.
Use 7 as the next digit of our solution. 
Result so far: 148446.7
If we subtract 4690 from 4710, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Moving on to step 10:
670 goes into 200 0 times with a remainder of 200.
The number 0 becomes the next digit in our result. 
Result so far: 148446.7
The remainder is 200 after subtracting 0 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2000, and continue the process.

Advancing to step 11:
670 can be fit into 2000 2 times, resulting in a remainder of 660.
The next digit of our result is 2. 
Result so far: 148446.702
If we subtract 1340 from 2000, we get 660.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6600, and continue the process.

Step 12:
When dividing 6600 by 670, we get 9 with a remainder of 570.
The next digit of our result is 9. 
Result so far: 148446.7029
If we take 6030 away from 6600, we end up with 570.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5700, and continue the process.

Moving on to step 13:
5700 divided by 670 is 8 with a remainder of 340.
Write down 8 as next digit of the result. 
Result so far: 148446.70298
Subtract 5360 from 5700 to get 340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3400, and continue the process.

Step 14:
670 goes into 3400 5 times with a remainder of 50.
The number 5 becomes the next digit in our result. 
Result so far: 148446.702985
Deduct 3350 from 3400 and we're left with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Let's proceed to step 15:
When dividing 500 by 670, we get 0 with a remainder of 500.
The next digit of our result is 0. 
Result so far: 148446.702985
If we subtract 0 from 500, we get 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5000, and continue the process.

Let's proceed to step 16:
5000 divided by 670 is 7 with a remainder of 310.
Use 7 as the next digit of our solution. 
Result so far: 148446.70298507
If we take 4690 away from 5000, we end up with 310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3100, and continue the process.

The final outcome is 148446.70298507, with a leftover of 3.1e-07.