602140 ÷ 70 
The aim is to understand the frequency of 70 in 602140.

Step 1:
When dividing 6 by 70, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Take the next digit (0) from the dividend and append it to 6, then repeat: 60 / 70

Step 2:
The number 70 fits into 60 0 times, leaving a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 60, we end up with 60.
Take the next digit (2) from the dividend and append it to 60, then repeat: 602 / 70

Going ahead to step 3:
If we divide 602 by 70, we get 8 and a remainder of 42.
Record the quotient 8 as the next digit in the result. 
Result so far: 8.0
Subtract 560 from 602 to get 42.
Append the next digit (1) from the dividend to 42 and continue with: 421 / 70

Advancing to step 4:
70 can be fit into 421 6 times, resulting in a remainder of 1.
Write down 6 as next digit of the result. 
Result so far: 86.0
Subtract 420 from 421 to get 1.
Include the next digit (4) from the dividend after 1, then repeat: 14 / 70

On to step 5:
If we divide 14 by 70, we get 0 and a remainder of 14.
Write down 0 as next digit of the result. 
Result so far: 860.0
Subtract 0 from 14 to get 14.
Include the next digit (0) from the dividend after 14, then repeat: 140 / 70

Step 6:
The number 70 fits into 140 2 times, leaving a remainder of 0.
Write down 2 as next digit of the result. 
Result so far: 8602.0
Deduct 140 from 140 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 7:
0 divided by 70 is 0 with a remainder of 0.
The next digit of our result is 0. 
Result so far: 8602.0
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 8:
70 can be fit into 0 0 times, resulting in a remainder of 0.
The next digit of our result is 0. 
Result so far: 8602.0
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Our division results in 8602.0 with a remaining 0.0.