We're dividing 46487999 by 431 
The aim is to understand the frequency of 431 in 46487999.

Advancing to step 1:
431 goes into 4 0 times with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Take the next digit (6) from the dividend and append it to 4, then repeat: 46 / 431

Going ahead to step 2:
The number 431 fits into 46 0 times, leaving a remainder of 46.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 46, we end up with 46.
Take the next digit (4) from the dividend and append it to 46, then repeat: 464 / 431

Step 3:
464 divided by 431 is 1 with a remainder of 33.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 431 from 464 and we're left with 33.
Grab the next digit (8) from the dividend, add it to 33, then carry on: 338 / 431

Let's proceed to step 4:
431 goes into 338 0 times with a remainder of 338.
The number 0 becomes the next digit in our result. 
Result so far: 10.0
If we take 0 away from 338, we end up with 338.
Fetch the next digit (7) from the dividend, attach it to 338 and continue: 3387 / 431

Moving on to step 5:
When dividing 3387 by 431, we get 7 with a remainder of 370.
Put 7 as the next digit of the answer. 
Result so far: 107.0
If we take 3017 away from 3387, we end up with 370.
Grab the next digit (9) from the dividend, add it to 370, then carry on: 3709 / 431

Step 6:
When dividing 3709 by 431, we get 8 with a remainder of 261.
Use 8 as the next digit of our solution. 
Result so far: 1078.0
Deduct 3448 from 3709 and we're left with 261.
Append the next digit (9) from the dividend to 261 and continue with: 2619 / 431

Step 7:
2619 divided by 431 is 6 with a remainder of 33.
Record the quotient 6 as the next digit in the result. 
Result so far: 10786.0
If we subtract 2586 from 2619, we get 33.
Grab the next digit (9) from the dividend, add it to 33, then carry on: 339 / 431

Moving on to step 8:
When dividing 339 by 431, we get 0 with a remainder of 339.
Record the quotient 0 as the next digit in the result. 
Result so far: 107860.0
The remainder is 339 after subtracting 0 from 339.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3390, and continue the process.

Let's proceed to step 9:
The number 431 fits into 3390 7 times, leaving a remainder of 373.
Record the quotient 7 as the next digit in the result. 
Result so far: 107860.7
If we subtract 3017 from 3390, we get 373.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3730, and continue the process.

Let's proceed to step 10:
If we divide 3730 by 431, we get 8 and a remainder of 282.
Write down 8 as next digit of the result. 
Result so far: 107860.78
The remainder is 282 after subtracting 3448 from 3730.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2820, and continue the process.

Step 11:
2820 divided by 431 is 6 with a remainder of 234.
Use 6 as the next digit of our solution. 
Result so far: 107860.786
If we take 2586 away from 2820, we end up with 234.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2340, and continue the process.

Moving on to step 12:
2340 divided by 431 is 5 with a remainder of 185.
Put 5 as the next digit of the answer. 
Result so far: 107860.7865
If we take 2155 away from 2340, we end up with 185.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1850, and continue the process.

Advancing to step 13:
431 goes into 1850 4 times with a remainder of 126.
The number 4 becomes the next digit in our result. 
Result so far: 107860.78654
If we take 1724 away from 1850, we end up with 126.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

Moving on to step 14:
The number 431 fits into 1260 2 times, leaving a remainder of 398.
Put 2 as the next digit of the answer. 
Result so far: 107860.786542
If we subtract 862 from 1260, we get 398.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3980, and continue the process.

Advancing to step 15:
When dividing 3980 by 431, we get 9 with a remainder of 101.
The number 9 becomes the next digit in our result. 
Result so far: 107860.7865429
If we subtract 3879 from 3980, we get 101.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1010, and continue the process.

Advancing to step 16:
431 can be fit into 1010 2 times, resulting in a remainder of 148.
Write down 2 as next digit of the result. 
Result so far: 107860.78654292
If we take 862 away from 1010, we end up with 148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

The final result is 107860.78654292 with a remainder of 1.48e-07.