20191663 divided by 223 
The aim is to understand the frequency of 223 in 20191663.

Going ahead to step 1:
2 divided by 223 is 0 with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 2 after subtracting 0 from 2.
Take the next digit (0) from the dividend and append it to 2, then repeat: 20 / 223

Moving on to step 2:
If we divide 20 by 223, we get 0 and a remainder of 20.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 20 and we're left with 20.
Bring next digit (1) of the dividend behind the 20 and repeat the process: 201 / 223

Advancing to step 3:
223 can be fit into 201 0 times, resulting in a remainder of 201.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 201 and we're left with 201.
Include the next digit (9) from the dividend after 201, then repeat: 2019 / 223

Step 4:
2019 divided by 223 is 9 with a remainder of 12.
Put 9 as the next digit of the answer. 
Result so far: 9.0
Subtract 2007 from 2019 to get 12.
Bring next digit (1) of the dividend behind the 12 and repeat the process: 121 / 223

Advancing to step 5:
If we divide 121 by 223, we get 0 and a remainder of 121.
Write down 0 as next digit of the result. 
Result so far: 90.0
Deduct 0 from 121 and we're left with 121.
Grab the next digit (6) from the dividend, add it to 121, then carry on: 1216 / 223

On to step 6:
1216 divided by 223 is 5 with a remainder of 101.
Put 5 as the next digit of the answer. 
Result so far: 905.0
Subtract 1115 from 1216 to get 101.
Grab the next digit (6) from the dividend, add it to 101, then carry on: 1016 / 223

Advancing to step 7:
The number 223 fits into 1016 4 times, leaving a remainder of 124.
Put 4 as the next digit of the answer. 
Result so far: 9054.0
If we take 892 away from 1016, we end up with 124.
Take the next digit (3) from the dividend and append it to 124, then repeat: 1243 / 223

On to step 8:
223 goes into 1243 5 times with a remainder of 128.
Use 5 as the next digit of our solution. 
Result so far: 90545.0
Deduct 1115 from 1243 and we're left with 128.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1280, and continue the process.

On to step 9:
1280 divided by 223 is 5 with a remainder of 165.
Write down 5 as next digit of the result. 
Result so far: 90545.5
Deduct 1115 from 1280 and we're left with 165.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1650, and continue the process.

Going ahead to step 10:
When dividing 1650 by 223, we get 7 with a remainder of 89.
Write down 7 as next digit of the result. 
Result so far: 90545.57
If we subtract 1561 from 1650, we get 89.
Since there are no more digits in the dividend, we add a zero to the remainder making it 890, and continue the process.

Step 11:
223 can be fit into 890 3 times, resulting in a remainder of 221.
Use 3 as the next digit of our solution. 
Result so far: 90545.573
Subtracting 669 from 890 leaves us with 221.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2210, and continue the process.

Step 12:
When dividing 2210 by 223, we get 9 with a remainder of 203.
Put 9 as the next digit of the answer. 
Result so far: 90545.5739
The remainder is 203 after subtracting 2007 from 2210.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2030, and continue the process.

On to step 13:
When dividing 2030 by 223, we get 9 with a remainder of 23.
The number 9 becomes the next digit in our result. 
Result so far: 90545.57399
Deduct 2007 from 2030 and we're left with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

The final outcome is 90545.57399, with a leftover of 2.3e-05.