780594 ÷ 99 
The aim is to understand the frequency of 99 in 780594.

On to step 1:
The number 99 fits into 7 0 times, leaving a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Fetch the next digit (8) from the dividend, attach it to 7 and continue: 78 / 99

Going ahead to step 2:
If we divide 78 by 99, we get 0 and a remainder of 78.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Grab the next digit (0) from the dividend, add it to 78, then carry on: 780 / 99

Step 3:
99 goes into 780 7 times with a remainder of 87.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we take 693 away from 780, we end up with 87.
Grab the next digit (5) from the dividend, add it to 87, then carry on: 875 / 99

Moving on to step 4:
875 divided by 99 is 8 with a remainder of 83.
Write down 8 as next digit of the result. 
Result so far: 78.0
The remainder is 83 after subtracting 792 from 875.
Append the next digit (9) from the dividend to 83 and continue with: 839 / 99

On to step 5:
The number 99 fits into 839 8 times, leaving a remainder of 47.
Write down 8 as next digit of the result. 
Result so far: 788.0
Deduct 792 from 839 and we're left with 47.
Grab the next digit (4) from the dividend, add it to 47, then carry on: 474 / 99

Moving on to step 6:
474 divided by 99 is 4 with a remainder of 78.
Record the quotient 4 as the next digit in the result. 
Result so far: 7884.0
If we subtract 396 from 474, we get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Step 7:
The number 99 fits into 780 7 times, leaving a remainder of 87.
The number 7 becomes the next digit in our result. 
Result so far: 7884.7
If we take 693 away from 780, we end up with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

On to step 8:
When dividing 870 by 99, we get 8 with a remainder of 78.
The next digit of our result is 8. 
Result so far: 7884.78
The remainder is 78 after subtracting 792 from 870.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Let's proceed to step 9:
The number 99 fits into 780 7 times, leaving a remainder of 87.
Use 7 as the next digit of our solution. 
Result so far: 7884.787
Subtract 693 from 780 to get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Let's proceed to step 10:
The number 99 fits into 870 8 times, leaving a remainder of 78.
Use 8 as the next digit of our solution. 
Result so far: 7884.7878
If we take 792 away from 870, we end up with 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Let's proceed to step 11:
When dividing 780 by 99, we get 7 with a remainder of 87.
Write down 7 as next digit of the result. 
Result so far: 7884.78787
Subtract 693 from 780 to get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Going ahead to step 12:
When dividing 870 by 99, we get 8 with a remainder of 78.
Write down 8 as next digit of the result. 
Result so far: 7884.787878
If we take 792 away from 870, we end up with 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

Let's proceed to step 13:
If we divide 780 by 99, we get 7 and a remainder of 87.
The number 7 becomes the next digit in our result. 
Result so far: 7884.7878787
Subtract 693 from 780 to get 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Going ahead to step 14:
99 goes into 870 8 times with a remainder of 78.
Put 8 as the next digit of the answer. 
Result so far: 7884.78787878
If we subtract 792 from 870, we get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

The quotient of the division is 7884.78787878, and the remainder is 7.8e-08.