We divide 46654037 by 21
The aim is to understand the frequency of 21 in 46654037.

Step 1:
When dividing 4 by 21, we get 0 with a remainder of 4.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 4, we end up with 4.
Append the next digit (6) from the dividend to 4 and continue with: 46 / 21

Moving on to step 2:
The number 21 fits into 46 2 times, leaving a remainder of 4.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we take 42 away from 46, we end up with 4.
Fetch the next digit (6) from the dividend, attach it to 4 and continue: 46 / 21

Step 3:
When dividing 46 by 21, we get 2 with a remainder of 4.
Write down 2 as next digit of the result. 
Result so far: 22.0
Deduct 42 from 46 and we're left with 4.
Fetch the next digit (5) from the dividend, attach it to 4 and continue: 45 / 21

Advancing to step 4:
The number 21 fits into 45 2 times, leaving a remainder of 3.
The next digit of our result is 2. 
Result so far: 222.0
The remainder is 3 after subtracting 42 from 45.
Include the next digit (4) from the dividend after 3, then repeat: 34 / 21

Step 5:
When dividing 34 by 21, we get 1 with a remainder of 13.
Put 1 as the next digit of the answer. 
Result so far: 2221.0
If we take 21 away from 34, we end up with 13.
Bring next digit (0) of the dividend behind the 13 and repeat the process: 130 / 21

Moving on to step 6:
The number 21 fits into 130 6 times, leaving a remainder of 4.
Put 6 as the next digit of the answer. 
Result so far: 22216.0
If we take 126 away from 130, we end up with 4.
Include the next digit (3) from the dividend after 4, then repeat: 43 / 21

On to step 7:
The number 21 fits into 43 2 times, leaving a remainder of 1.
The next digit of our result is 2. 
Result so far: 222162.0
Deduct 42 from 43 and we're left with 1.
Bring next digit (7) of the dividend behind the 1 and repeat the process: 17 / 21

Step 8:
If we divide 17 by 21, we get 0 and a remainder of 17.
Put 0 as the next digit of the answer. 
Result so far: 2221620.0
Subtract 0 from 17 to get 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Step 9:
21 goes into 170 8 times with a remainder of 2.
Record the quotient 8 as the next digit in the result. 
Result so far: 2221620.8
If we take 168 away from 170, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 10:
21 goes into 20 0 times with a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 2221620.8
The remainder is 20 after subtracting 0 from 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 11:
200 divided by 21 is 9 with a remainder of 11.
Write down 9 as next digit of the result. 
Result so far: 2221620.809
Subtracting 189 from 200 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Advancing to step 12:
21 can be fit into 110 5 times, resulting in a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 2221620.8095
Subtract 105 from 110 to get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Advancing to step 13:
21 can be fit into 50 2 times, resulting in a remainder of 8.
The number 2 becomes the next digit in our result. 
Result so far: 2221620.80952
If we subtract 42 from 50, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 14:
21 can be fit into 80 3 times, resulting in a remainder of 17.
Record the quotient 3 as the next digit in the result. 
Result so far: 2221620.809523
The remainder is 17 after subtracting 63 from 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

Step 15:
21 can be fit into 170 8 times, resulting in a remainder of 2.
Use 8 as the next digit of our solution. 
Result so far: 2221620.8095238
If we subtract 168 from 170, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Advancing to step 16:
When dividing 20 by 21, we get 0 with a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 2221620.8095238
If we subtract 0 from 20, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

The final result is 2221620.8095238 with a remainder of 2e-08.