We divide 883939 by 78
The aim is to understand the frequency of 78 in 883939.

On to step 1:
78 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Bring next digit (8) of the dividend behind the 8 and repeat the process: 88 / 78

Advancing to step 2:
88 divided by 78 is 1 with a remainder of 10.
The next digit of our result is 1. 
Result so far: 1.0
Subtracting 78 from 88 leaves us with 10.
Fetch the next digit (3) from the dividend, attach it to 10 and continue: 103 / 78

Advancing to step 3:
78 can be fit into 103 1 times, resulting in a remainder of 25.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
Subtracting 78 from 103 leaves us with 25.
Fetch the next digit (9) from the dividend, attach it to 25 and continue: 259 / 78

On to step 4:
259 divided by 78 is 3 with a remainder of 25.
The next digit of our result is 3. 
Result so far: 113.0
Deduct 234 from 259 and we're left with 25.
Grab the next digit (3) from the dividend, add it to 25, then carry on: 253 / 78

Let's proceed to step 5:
78 goes into 253 3 times with a remainder of 19.
The number 3 becomes the next digit in our result. 
Result so far: 1133.0
The remainder is 19 after subtracting 234 from 253.
Take the next digit (9) from the dividend and append it to 19, then repeat: 199 / 78

Moving on to step 6:
If we divide 199 by 78, we get 2 and a remainder of 43.
Put 2 as the next digit of the answer. 
Result so far: 11332.0
Subtracting 156 from 199 leaves us with 43.
Since there are no more digits in the dividend, we add a zero to the remainder making it 430, and continue the process.

Going ahead to step 7:
The number 78 fits into 430 5 times, leaving a remainder of 40.
Record the quotient 5 as the next digit in the result. 
Result so far: 11332.5
Subtract 390 from 430 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 8:
400 divided by 78 is 5 with a remainder of 10.
The next digit of our result is 5. 
Result so far: 11332.55
The remainder is 10 after subtracting 390 from 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The final outcome is 11332.55, with a leftover of 0.01.