525649 ÷ 72 
The aim is to understand the frequency of 72 in 525649.

Step 1:
72 goes into 5 0 times with a remainder of 5.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Include the next digit (2) from the dividend after 5, then repeat: 52 / 72

Let's proceed to step 2:
If we divide 52 by 72, we get 0 and a remainder of 52.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 52 and we're left with 52.
Fetch the next digit (5) from the dividend, attach it to 52 and continue: 525 / 72

Let's proceed to step 3:
The number 72 fits into 525 7 times, leaving a remainder of 21.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we subtract 504 from 525, we get 21.
Bring next digit (6) of the dividend behind the 21 and repeat the process: 216 / 72

Let's proceed to step 4:
The number 72 fits into 216 3 times, leaving a remainder of 0.
The next digit of our result is 3. 
Result so far: 73.0
If we subtract 216 from 216, we get 0.
Grab the next digit (4) from the dividend, add it to 0, then carry on: 4 / 72

Moving on to step 5:
72 can be fit into 4 0 times, resulting in a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 730.0
Subtracting 0 from 4 leaves us with 4.
Append the next digit (9) from the dividend to 4 and continue with: 49 / 72

Going ahead to step 6:
The number 72 fits into 49 0 times, leaving a remainder of 49.
Use 0 as the next digit of our solution. 
Result so far: 7300.0
If we subtract 0 from 49, we get 49.
Since there are no more digits in the dividend, we add a zero to the remainder making it 490, and continue the process.

Going ahead to step 7:
When dividing 490 by 72, we get 6 with a remainder of 58.
Write down 6 as next digit of the result. 
Result so far: 7300.6
Subtract 432 from 490 to get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Let's proceed to step 8:
The number 72 fits into 580 8 times, leaving a remainder of 4.
Write down 8 as next digit of the result. 
Result so far: 7300.68
Subtract 576 from 580 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 9:
The number 72 fits into 40 0 times, leaving a remainder of 40.
Use 0 as the next digit of our solution. 
Result so far: 7300.68
Subtracting 0 from 40 leaves us 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 10:
The number 72 fits into 400 5 times, leaving a remainder of 40.
Write down 5 as next digit of the result. 
Result so far: 7300.6805
If we take 360 away from 400, 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.

Moving on to step 11:
72 goes into 400 5 times with a remainder of 40.
Use 5 as the next digit of our solution. 
Result so far: 7300.68055
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.

Our division results in 7300.68055 with a remaining 4e-05.