70489625 ÷ 816 
The aim is to understand the frequency of 816 in 70489625.

Advancing to step 1:
If we divide 7 by 816, we get 0 and a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Take the next digit (0) from the dividend and append it to 7, then repeat: 70 / 816

Advancing to step 2:
816 goes into 70 0 times with a remainder of 70.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 70 to get 70.
Include the next digit (4) from the dividend after 70, then repeat: 704 / 816

Let's proceed to step 3:
816 can be fit into 704 0 times, resulting in a remainder of 704.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 704 to get 704.
Bring next digit (8) of the dividend behind the 704 and repeat the process: 7048 / 816

Moving on to step 4:
7048 divided by 816 is 8 with a remainder of 520.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtracting 6528 from 7048 leaves us with 520.
Fetch the next digit (9) from the dividend, attach it to 520 and continue: 5209 / 816

Step 5:
The number 816 fits into 5209 6 times, leaving a remainder of 313.
Put 6 as the next digit of the answer. 
Result so far: 86.0
Subtracting 4896 from 5209 leaves us with 313.
Append the next digit (6) from the dividend to 313 and continue with: 3136 / 816

Step 6:
When dividing 3136 by 816, we get 3 with a remainder of 688.
Write down 3 as next digit of the result. 
Result so far: 863.0
The remainder is 688 after subtracting 2448 from 3136.
Fetch the next digit (2) from the dividend, attach it to 688 and continue: 6882 / 816

Going ahead to step 7:
6882 divided by 816 is 8 with a remainder of 354.
Use 8 as the next digit of our solution. 
Result so far: 8638.0
Deduct 6528 from 6882 and we're left with 354.
Fetch the next digit (5) from the dividend, attach it to 354 and continue: 3545 / 816

Advancing to step 8:
3545 divided by 816 is 4 with a remainder of 281.
Write down 4 as next digit of the result. 
Result so far: 86384.0
Deduct 3264 from 3545 and we're left with 281.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2810, and continue the process.

On to step 9:
816 goes into 2810 3 times with a remainder of 362.
The number 3 becomes the next digit in our result. 
Result so far: 86384.3
Subtract 2448 from 2810 to get 362.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3620, and continue the process.

Let's proceed to step 10:
When dividing 3620 by 816, we get 4 with a remainder of 356.
The next digit of our result is 4. 
Result so far: 86384.34
Subtract 3264 from 3620 to get 356.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3560, and continue the process.

Going ahead to step 11:
816 can be fit into 3560 4 times, resulting in a remainder of 296.
Record the quotient 4 as the next digit in the result. 
Result so far: 86384.344
Deduct 3264 from 3560 and we're left with 296.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2960, and continue the process.

In conclusion, the division gives 86384.344 with a balance of 0.0296.