20977887 divided by 903 
The aim is to understand the frequency of 903 in 20977887.

Moving on to step 1:
If we divide 2 by 903, we get 0 and a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Grab the next digit (0) from the dividend, add it to 2, then carry on: 20 / 903

On to step 2:
903 can be fit into 20 0 times, resulting in a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 20 and we're left with 20.
Include the next digit (9) from the dividend after 20, then repeat: 209 / 903

Moving on to step 3:
903 can be fit into 209 0 times, resulting in a remainder of 209.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 209 and we're left with 209.
Bring next digit (7) of the dividend behind the 209 and repeat the process: 2097 / 903

Let's proceed to step 4:
903 goes into 2097 2 times with a remainder of 291.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtracting 1806 from 2097 leaves us with 291.
Append the next digit (7) from the dividend to 291 and continue with: 2917 / 903

Step 5:
If we divide 2917 by 903, we get 3 and a remainder of 208.
Use 3 as the next digit of our solution. 
Result so far: 23.0
Subtracting 2709 from 2917 leaves us with 208.
Fetch the next digit (8) from the dividend, attach it to 208 and continue: 2088 / 903

Step 6:
903 goes into 2088 2 times with a remainder of 282.
Put 2 as the next digit of the answer. 
Result so far: 232.0
The remainder is 282 after subtracting 1806 from 2088.
Grab the next digit (8) from the dividend, add it to 282, then carry on: 2828 / 903

Advancing to step 7:
When dividing 2828 by 903, we get 3 with a remainder of 119.
The next digit of our result is 3. 
Result so far: 2323.0
If we subtract 2709 from 2828, we get 119.
Include the next digit (7) from the dividend after 119, then repeat: 1197 / 903

Moving on to step 8:
903 can be fit into 1197 1 times, resulting in a remainder of 294.
Use 1 as the next digit of our solution. 
Result so far: 23231.0
Subtracting 903 from 1197 leaves us with 294.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2940, and continue the process.

Moving on to step 9:
2940 divided by 903 is 3 with a remainder of 231.
Use 3 as the next digit of our solution. 
Result so far: 23231.3
Subtracting 2709 from 2940 leaves us with 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

On to step 10:
903 can be fit into 2310 2 times, resulting in a remainder of 504.
Write down 2 as next digit of the result. 
Result so far: 23231.32
Deduct 1806 from 2310 and we're left with 504.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

Moving on to step 11:
5040 divided by 903 is 5 with a remainder of 525.
Put 5 as the next digit of the answer. 
Result so far: 23231.325
If we take 4515 away from 5040, we end up with 525.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5250, and continue the process.

Step 12:
If we divide 5250 by 903, we get 5 and a remainder of 735.
Record the quotient 5 as the next digit in the result. 
Result so far: 23231.3255
If we take 4515 away from 5250, we end up with 735.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7350, and continue the process.

The final result is 23231.3255 with a remainder of 0.00735.