74570 ÷ 17 
The aim is to understand the frequency of 17 in 74570.

Step 1:
7 divided by 17 is 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Take the next digit (4) from the dividend and append it to 7, then repeat: 74 / 17

Going ahead to step 2:
When dividing 74 by 17, we get 4 with a remainder of 6.
Record the quotient 4 as the next digit in the result. 
Result so far: 4.0
Subtracting 68 from 74 leaves us with 6.
Take the next digit (5) from the dividend and append it to 6, then repeat: 65 / 17

Advancing to step 3:
65 divided by 17 is 3 with a remainder of 14.
The number 3 becomes the next digit in our result. 
Result so far: 43.0
Subtracting 51 from 65 leaves us with 14.
Fetch the next digit (7) from the dividend, attach it to 14 and continue: 147 / 17

Advancing to step 4:
147 divided by 17 is 8 with a remainder of 11.
Put 8 as the next digit of the answer. 
Result so far: 438.0
Subtracting 136 from 147 leaves us with 11.
Grab the next digit (0) from the dividend, add it to 11, then carry on: 110 / 17

Step 5:
When dividing 110 by 17, we get 6 with a remainder of 8.
Use 6 as the next digit of our solution. 
Result so far: 4386.0
The remainder is 8 after subtracting 102 from 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Step 6:
17 goes into 80 4 times with a remainder of 12.
Use 4 as the next digit of our solution. 
Result so far: 4386.4
Subtract 68 from 80 to get 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 7:
If we divide 120 by 17, we get 7 and a remainder of 1.
The number 7 becomes the next digit in our result. 
Result so far: 4386.47
Deduct 119 from 120 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

On to step 8:
10 divided by 17 is 0 with a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 4386.47
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Let's proceed to step 9:
17 goes into 100 5 times with a remainder of 15.
The number 5 becomes the next digit in our result. 
Result so far: 4386.4705
Deduct 85 from 100 and we're left with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Advancing to step 10:
When dividing 150 by 17, we get 8 with a remainder of 14.
The next digit of our result is 8. 
Result so far: 4386.47058
If we subtract 136 from 150, we get 14.
Since there are no more digits in the dividend, we add a zero to the remainder making it 140, and continue the process.

Step 11:
140 divided by 17 is 8 with a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 4386.470588
If we subtract 136 from 140, we 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.

After the division, we end up with 4386.470588 and a remainder of 4e-07.