We're dividing 80274960 by 263 
The aim is to understand the frequency of 263 in 80274960.

Step 1:
When dividing 8 by 263, we get 0 with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Grab the next digit (0) from the dividend, add it to 8, then carry on: 80 / 263

Advancing to step 2:
263 can be fit into 80 0 times, resulting in a remainder of 80.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 80, we end up with 80.
Append the next digit (2) from the dividend to 80 and continue with: 802 / 263

Let's proceed to step 3:
The number 263 fits into 802 3 times, leaving a remainder of 13.
Put 3 as the next digit of the answer. 
Result so far: 3.0
Deduct 789 from 802 and we're left with 13.
Include the next digit (7) from the dividend after 13, then repeat: 137 / 263

Going ahead to step 4:
137 divided by 263 is 0 with a remainder of 137.
Write down 0 as next digit of the result. 
Result so far: 30.0
The remainder is 137 after subtracting 0 from 137.
Fetch the next digit (4) from the dividend, attach it to 137 and continue: 1374 / 263

Going ahead to step 5:
If we divide 1374 by 263, we get 5 and a remainder of 59.
Write down 5 as next digit of the result. 
Result so far: 305.0
Deduct 1315 from 1374 and we're left with 59.
Take the next digit (9) from the dividend and append it to 59, then repeat: 599 / 263

Moving on to step 6:
599 divided by 263 is 2 with a remainder of 73.
Write down 2 as next digit of the result. 
Result so far: 3052.0
Deduct 526 from 599 and we're left with 73.
Fetch the next digit (6) from the dividend, attach it to 73 and continue: 736 / 263

Let's proceed to step 7:
736 divided by 263 is 2 with a remainder of 210.
Use 2 as the next digit of our solution. 
Result so far: 30522.0
If we take 526 away from 736, we end up with 210.
Bring next digit (0) of the dividend behind the 210 and repeat the process: 2100 / 263

Moving on to step 8:
The number 263 fits into 2100 7 times, leaving a remainder of 259.
The number 7 becomes the next digit in our result. 
Result so far: 305227.0
Deduct 1841 from 2100 and we're left with 259.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2590, and continue the process.

Advancing to step 9:
263 goes into 2590 9 times with a remainder of 223.
Use 9 as the next digit of our solution. 
Result so far: 305227.9
Deduct 2367 from 2590 and we're left with 223.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

Going ahead to step 10:
If we divide 2230 by 263, we get 8 and a remainder of 126.
The number 8 becomes the next digit in our result. 
Result so far: 305227.98
The remainder is 126 after subtracting 2104 from 2230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1260, and continue the process.

Going ahead to step 11:
If we divide 1260 by 263, we get 4 and a remainder of 208.
Write down 4 as next digit of the result. 
Result so far: 305227.984
The remainder is 208 after subtracting 1052 from 1260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2080, and continue the process.

On to step 12:
263 goes into 2080 7 times with a remainder of 239.
The next digit of our result is 7. 
Result so far: 305227.9847
Subtract 1841 from 2080 to get 239.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2390, and continue the process.

Let's proceed to step 13:
The number 263 fits into 2390 9 times, leaving a remainder of 23.
Use 9 as the next digit of our solution. 
Result so far: 305227.98479
The remainder is 23 after subtracting 2367 from 2390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Step 14:
230 divided by 263 is 0 with a remainder of 230.
The number 0 becomes the next digit in our result. 
Result so far: 305227.98479
Subtracting 0 from 230 leaves us with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Advancing to step 15:
The number 263 fits into 2300 8 times, leaving a remainder of 196.
Record the quotient 8 as the next digit in the result. 
Result so far: 305227.9847908
Deduct 2104 from 2300 and we're left with 196.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

Step 16:
When dividing 1960 by 263, we get 7 with a remainder of 119.
Put 7 as the next digit of the answer. 
Result so far: 305227.98479087
Subtract 1841 from 1960 to get 119.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1190, and continue the process.

The final outcome is 305227.98479087, with a leftover of 1.19e-07.