Let's divide 668983 by 83
The aim is to understand the frequency of 83 in 668983.

On to step 1:
When dividing 6 by 83, we get 0 with a remainder of 6.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 83

Advancing to step 2:
The number 83 fits into 66 0 times, leaving a remainder of 66.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 66, we get 66.
Bring next digit (8) of the dividend behind the 66 and repeat the process: 668 / 83

Going ahead to step 3:
When dividing 668 by 83, we get 8 with a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 8.0
If we subtract 664 from 668, we get 4.
Take the next digit (9) from the dividend and append it to 4, then repeat: 49 / 83

Going ahead to step 4:
If we divide 49 by 83, we get 0 and a remainder of 49.
The next digit of our result is 0. 
Result so far: 80.0
The remainder is 49 after subtracting 0 from 49.
Grab the next digit (8) from the dividend, add it to 49, then carry on: 498 / 83

Let's proceed to step 5:
If we divide 498 by 83, we get 6 and a remainder of 0.
Record the quotient 6 as the next digit in the result. 
Result so far: 806.0
Deduct 498 from 498 and we're left with 0.
Include the next digit (3) from the dividend after 0, then repeat: 3 / 83

On to step 6:
The number 83 fits into 3 0 times, leaving a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 8060.0
If we take 0 away from 3, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Let's proceed to step 7:
If we divide 30 by 83, we get 0 and a remainder of 30.
Put 0 as the next digit of the answer. 
Result so far: 8060.0
If we subtract 0 from 30, we get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 8:
When dividing 300 by 83, we get 3 with a remainder of 51.
Write down 3 as next digit of the result. 
Result so far: 8060.03
Deduct 249 from 300 and we're left with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Moving on to step 9:
83 can be fit into 510 6 times, resulting in a remainder of 12.
The next digit of our result is 6. 
Result so far: 8060.036
Subtract 498 from 510 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.

On to step 10:
83 can be fit into 120 1 times, resulting in a remainder of 37.
The number 1 becomes the next digit in our result. 
Result so far: 8060.0361
Deduct 83 from 120 and we're left with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

On to step 11:
370 divided by 83 is 4 with a remainder of 38.
Write down 4 as next digit of the result. 
Result so far: 8060.03614
Deduct 332 from 370 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Advancing to step 12:
83 goes into 380 4 times with a remainder of 48.
Put 4 as the next digit of the answer. 
Result so far: 8060.036144
If we subtract 332 from 380, we get 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

After the division, we end up with 8060.036144 and a remainder of 4.8e-06.