781806 ÷ 98 
The aim is to understand the frequency of 98 in 781806.

Let's proceed to step 1:
7 divided by 98 is 0 with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Bring next digit (8) of the dividend behind the 7 and repeat the process: 78 / 98

Step 2:
78 divided by 98 is 0 with a remainder of 78.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 78, we end up with 78.
Fetch the next digit (1) from the dividend, attach it to 78 and continue: 781 / 98

Moving on to step 3:
98 goes into 781 7 times with a remainder of 95.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
The remainder is 95 after subtracting 686 from 781.
Fetch the next digit (8) from the dividend, attach it to 95 and continue: 958 / 98

Advancing to step 4:
958 divided by 98 is 9 with a remainder of 76.
Use 9 as the next digit of our solution. 
Result so far: 79.0
If we subtract 882 from 958, we get 76.
Fetch the next digit (0) from the dividend, attach it to 76 and continue: 760 / 98

Let's proceed to step 5:
760 divided by 98 is 7 with a remainder of 74.
Use 7 as the next digit of our solution. 
Result so far: 797.0
The remainder is 74 after subtracting 686 from 760.
Bring next digit (6) of the dividend behind the 74 and repeat the process: 746 / 98

Step 6:
98 goes into 746 7 times with a remainder of 60.
Write down 7 as next digit of the result. 
Result so far: 7977.0
Deduct 686 from 746 and we're left with 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 7:
The number 98 fits into 600 6 times, leaving a remainder of 12.
The number 6 becomes the next digit in our result. 
Result so far: 7977.6
Subtracting 588 from 600 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 8:
If we divide 120 by 98, we get 1 and a remainder of 22.
The next digit of our result is 1. 
Result so far: 7977.61
If we take 98 away from 120, we end up with 22.
Since there are no more digits in the dividend, we add a zero to the remainder making it 220, and continue the process.

Moving on to step 9:
98 goes into 220 2 times with a remainder of 24.
The next digit of our result is 2. 
Result so far: 7977.612
If we subtract 196 from 220, we get 24.
Since there are no more digits in the dividend, we add a zero to the remainder making it 240, and continue the process.

Moving on to step 10:
The number 98 fits into 240 2 times, leaving a remainder of 44.
Use 2 as the next digit of our solution. 
Result so far: 7977.6122
Subtracting 196 from 240 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

The final result is 7977.6122 with a remainder of 0.00044.