75839971 divided by 430 
The aim is to understand the frequency of 430 in 75839971.

On to step 1:
430 goes into 7 0 times with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 7 after subtracting 0 from 7.
Append the next digit (5) from the dividend to 7 and continue with: 75 / 430

Let's proceed to step 2:
When dividing 75 by 430, we get 0 with a remainder of 75.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 75 and we're left with 75.
Bring next digit (8) of the dividend behind the 75 and repeat the process: 758 / 430

On to step 3:
When dividing 758 by 430, we get 1 with a remainder of 328.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 430 away from 758, we end up with 328.
Fetch the next digit (3) from the dividend, attach it to 328 and continue: 3283 / 430

Advancing to step 4:
If we divide 3283 by 430, we get 7 and a remainder of 273.
Write down 7 as next digit of the result. 
Result so far: 17.0
Subtract 3010 from 3283 to get 273.
Fetch the next digit (9) from the dividend, attach it to 273 and continue: 2739 / 430

Advancing to step 5:
When dividing 2739 by 430, we get 6 with a remainder of 159.
Write down 6 as next digit of the result. 
Result so far: 176.0
Subtract 2580 from 2739 to get 159.
Grab the next digit (9) from the dividend, add it to 159, then carry on: 1599 / 430

Going ahead to step 6:
When dividing 1599 by 430, we get 3 with a remainder of 309.
Put 3 as the next digit of the answer. 
Result so far: 1763.0
Subtract 1290 from 1599 to get 309.
Fetch the next digit (7) from the dividend, attach it to 309 and continue: 3097 / 430

Advancing to step 7:
430 goes into 3097 7 times with a remainder of 87.
Use 7 as the next digit of our solution. 
Result so far: 17637.0
Deduct 3010 from 3097 and we're left with 87.
Include the next digit (1) from the dividend after 87, then repeat: 871 / 430

On to step 8:
If we divide 871 by 430, we get 2 and a remainder of 11.
Write down 2 as next digit of the result. 
Result so far: 176372.0
Deduct 860 from 871 and we're left with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

On to step 9:
110 divided by 430 is 0 with a remainder of 110.
The next digit of our result is 0. 
Result so far: 176372.0
Deduct 0 from 110 and we're left with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Advancing to step 10:
430 goes into 1100 2 times with a remainder of 240.
Record the quotient 2 as the next digit in the result. 
Result so far: 176372.02
Subtract 860 from 1100 to get 240.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2400, and continue the process.

Let's proceed to step 11:
When dividing 2400 by 430, we get 5 with a remainder of 250.
Record the quotient 5 as the next digit in the result. 
Result so far: 176372.025
If we subtract 2150 from 2400, we get 250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2500, and continue the process.

Going ahead to step 12:
If we divide 2500 by 430, we get 5 and a remainder of 350.
The next digit of our result is 5. 
Result so far: 176372.0255
Subtract 2150 from 2500 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.

The final outcome is 176372.0255, with a leftover of 0.0035.