Let's divide 412251 by 91
The aim is to understand the frequency of 91 in 412251.

On to step 1:
91 goes into 4 0 times with a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (1) from the dividend to 4 and continue with: 41 / 91

On to step 2:
If we divide 41 by 91, we get 0 and a remainder of 41.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 41, we get 41.
Fetch the next digit (2) from the dividend, attach it to 41 and continue: 412 / 91

Step 3:
When dividing 412 by 91, we get 4 with a remainder of 48.
Write down 4 as next digit of the result. 
Result so far: 4.0
If we subtract 364 from 412, we get 48.
Take the next digit (2) from the dividend and append it to 48, then repeat: 482 / 91

Let's proceed to step 4:
When dividing 482 by 91, we get 5 with a remainder of 27.
Record the quotient 5 as the next digit in the result. 
Result so far: 45.0
If we subtract 455 from 482, we get 27.
Include the next digit (5) from the dividend after 27, then repeat: 275 / 91

Going ahead to step 5:
91 can be fit into 275 3 times, resulting in a remainder of 2.
The number 3 becomes the next digit in our result. 
Result so far: 453.0
If we take 273 away from 275, we end up with 2.
Grab the next digit (1) from the dividend, add it to 2, then carry on: 21 / 91

Let's proceed to step 6:
If we divide 21 by 91, we get 0 and a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 4530.0
Deduct 0 from 21 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Step 7:
If we divide 210 by 91, we get 2 and a remainder of 28.
The next digit of our result is 2. 
Result so far: 4530.2
Deduct 182 from 210 and we're left with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Advancing to step 8:
280 divided by 91 is 3 with a remainder of 7.
Put 3 as the next digit of the answer. 
Result so far: 4530.23
Subtract 273 from 280 to get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

Moving on to step 9:
70 divided by 91 is 0 with a remainder of 70.
Put 0 as the next digit of the answer. 
Result so far: 4530.23
If we take 0 away from 70, we end up with 70.
Since there are no more digits in the dividend, we add a zero to the remainder making it 700, and continue the process.

Advancing to step 10:
700 divided by 91 is 7 with a remainder of 63.
Use 7 as the next digit of our solution. 
Result so far: 4530.2307
The remainder is 63 after subtracting 637 from 700.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

On to step 11:
630 divided by 91 is 6 with a remainder of 84.
Use 6 as the next digit of our solution. 
Result so far: 4530.23076
If we take 546 away from 630, we end up with 84.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Going ahead to step 12:
The number 91 fits into 840 9 times, leaving a remainder of 21.
Write down 9 as next digit of the result. 
Result so far: 4530.230769
Subtract 819 from 840 to get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Let's proceed to step 13:
91 can be fit into 210 2 times, resulting in a remainder of 28.
Write down 2 as next digit of the result. 
Result so far: 4530.2307692
If we subtract 182 from 210, we get 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

Moving on to step 14:
91 can be fit into 280 3 times, resulting in a remainder of 7.
Use 3 as the next digit of our solution. 
Result so far: 4530.23076923
If we subtract 273 from 280, we get 7.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

The quotient of the division is 4530.23076923, and the remainder is 7e-09.