Let's divide 286439 by 89
The aim is to understand the frequency of 89 in 286439.

Let's proceed to step 1:
2 divided by 89 is 0 with a remainder of 2.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Take the next digit (8) from the dividend and append it to 2, then repeat: 28 / 89

Moving on to step 2:
89 can be fit into 28 0 times, resulting in a remainder of 28.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 28 to get 28.
Append the next digit (6) from the dividend to 28 and continue with: 286 / 89

Advancing to step 3:
89 can be fit into 286 3 times, resulting in a remainder of 19.
The next digit of our result is 3. 
Result so far: 3.0
Subtracting 267 from 286 leaves us with 19.
Fetch the next digit (4) from the dividend, attach it to 19 and continue: 194 / 89

Going ahead to step 4:
89 can be fit into 194 2 times, resulting in a remainder of 16.
The next digit of our result is 2. 
Result so far: 32.0
Subtracting 178 from 194 leaves us with 16.
Include the next digit (3) from the dividend after 16, then repeat: 163 / 89

Moving on to step 5:
163 divided by 89 is 1 with a remainder of 74.
Write down 1 as next digit of the result. 
Result so far: 321.0
The remainder is 74 after subtracting 89 from 163.
Bring next digit (9) of the dividend behind the 74 and repeat the process: 749 / 89

Going ahead to step 6:
89 goes into 749 8 times with a remainder of 37.
The number 8 becomes the next digit in our result. 
Result so far: 3218.0
If we take 712 away from 749, we end up 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.

Step 7:
89 goes into 370 4 times with a remainder of 14.
The number 4 becomes the next digit in our result. 
Result so far: 3218.4
If we subtract 356 from 370, 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.

Moving on to step 8:
The number 89 fits into 140 1 times, leaving a remainder of 51.
Use 1 as the next digit of our solution. 
Result so far: 3218.41
Subtract 89 from 140 to get 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

Step 9:
510 divided by 89 is 5 with a remainder of 65.
Record the quotient 5 as the next digit in the result. 
Result so far: 3218.415
Subtract 445 from 510 to get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Step 10:
When dividing 650 by 89, we get 7 with a remainder of 27.
Put 7 as the next digit of the answer. 
Result so far: 3218.4157
The remainder is 27 after subtracting 623 from 650.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

On to step 11:
If we divide 270 by 89, we get 3 and a remainder of 3.
The number 3 becomes the next digit in our result. 
Result so far: 3218.41573
Subtract 267 from 270 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

On to step 12:
The number 89 fits into 30 0 times, leaving a remainder of 30.
The number 0 becomes the next digit in our result. 
Result so far: 3218.41573
If we take 0 away from 30, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 13:
89 goes into 300 3 times with a remainder of 33.
Put 3 as the next digit of the answer. 
Result so far: 3218.4157303
Subtract 267 from 300 to get 33.
Since there are no more digits in the dividend, we add a zero to the remainder making it 330, and continue the process.

On to step 14:
The number 89 fits into 330 3 times, leaving a remainder of 63.
Use 3 as the next digit of our solution. 
Result so far: 3218.41573033
Subtract 267 from 330 to get 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Our division results in 3218.41573033 with a remaining 6.3e-08.