We're dividing 840982 by 72 
The aim is to understand the frequency of 72 in 840982.

Advancing to step 1:
The number 72 fits into 8 0 times, leaving a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Take the next digit (4) from the dividend and append it to 8, then repeat: 84 / 72

Moving on to step 2:
72 goes into 84 1 times with a remainder of 12.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 72 from 84, we get 12.
Append the next digit (0) from the dividend to 12 and continue with: 120 / 72

Going ahead to step 3:
When dividing 120 by 72, we get 1 with a remainder of 48.
Use 1 as the next digit of our solution. 
Result so far: 11.0
The remainder is 48 after subtracting 72 from 120.
Append the next digit (9) from the dividend to 48 and continue with: 489 / 72

Moving on to step 4:
72 can be fit into 489 6 times, resulting in a remainder of 57.
Write down 6 as next digit of the result. 
Result so far: 116.0
The remainder is 57 after subtracting 432 from 489.
Bring next digit (8) of the dividend behind the 57 and repeat the process: 578 / 72

Going ahead to step 5:
The number 72 fits into 578 8 times, leaving a remainder of 2.
Record the quotient 8 as the next digit in the result. 
Result so far: 1168.0
The remainder is 2 after subtracting 576 from 578.
Bring next digit (2) of the dividend behind the 2 and repeat the process: 22 / 72

Going ahead to step 6:
When dividing 22 by 72, we get 0 with a remainder of 22.
Write down 0 as next digit of the result. 
Result so far: 11680.0
Deduct 0 from 22 and we're left 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.

Going ahead to step 7:
The number 72 fits into 220 3 times, leaving a remainder of 4.
The next digit of our result is 3. 
Result so far: 11680.3
If we take 216 away from 220, we end up with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Moving on to step 8:
40 divided by 72 is 0 with a remainder of 40.
Put 0 as the next digit of the answer. 
Result so far: 11680.3
If we take 0 away from 40, we end up with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 9:
72 can be fit into 400 5 times, resulting in a remainder of 40.
Put 5 as the next digit of the answer. 
Result so far: 11680.305
Deduct 360 from 400 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Step 10:
If we divide 400 by 72, we get 5 and a remainder of 40.
Use 5 as the next digit of our solution. 
Result so far: 11680.3055
Deduct 360 from 400 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

After the division, we end up with 11680.3055 and a remainder of 0.0004.