30980947 ÷ 981 
The aim is to understand the frequency of 981 in 30980947.

Going ahead to step 1:
If we divide 3 by 981, we get 0 and a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Append the next digit (0) from the dividend to 3 and continue with: 30 / 981

Going ahead to step 2:
981 goes into 30 0 times with a remainder of 30.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 30 and we're left with 30.
Grab the next digit (9) from the dividend, add it to 30, then carry on: 309 / 981

Moving on to step 3:
When dividing 309 by 981, we get 0 with a remainder of 309.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 309, we end up with 309.
Take the next digit (8) from the dividend and append it to 309, then repeat: 3098 / 981

Step 4:
3098 divided by 981 is 3 with a remainder of 155.
The next digit of our result is 3. 
Result so far: 3.0
If we take 2943 away from 3098, we end up with 155.
Append the next digit (0) from the dividend to 155 and continue with: 1550 / 981

On to step 5:
981 can be fit into 1550 1 times, resulting in a remainder of 569.
The next digit of our result is 1. 
Result so far: 31.0
Subtracting 981 from 1550 leaves us with 569.
Bring next digit (9) of the dividend behind the 569 and repeat the process: 5699 / 981

On to step 6:
5699 divided by 981 is 5 with a remainder of 794.
Record the quotient 5 as the next digit in the result. 
Result so far: 315.0
If we take 4905 away from 5699, we end up with 794.
Bring next digit (4) of the dividend behind the 794 and repeat the process: 7944 / 981

Step 7:
981 can be fit into 7944 8 times, resulting in a remainder of 96.
The number 8 becomes the next digit in our result. 
Result so far: 3158.0
Subtracting 7848 from 7944 leaves us with 96.
Bring next digit (7) of the dividend behind the 96 and repeat the process: 967 / 981

Advancing to step 8:
981 can be fit into 967 0 times, resulting in a remainder of 967.
The number 0 becomes the next digit in our result. 
Result so far: 31580.0
Subtracting 0 from 967 leaves us with 967.
Since there are no more digits in the dividend, we add a zero to the remainder making it 9670, and continue the process.

Step 9:
981 goes into 9670 9 times with a remainder of 841.
Record the quotient 9 as the next digit in the result. 
Result so far: 31580.9
Deduct 8829 from 9670 and we're left with 841.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8410, and continue the process.

Advancing to step 10:
When dividing 8410 by 981, we get 8 with a remainder of 562.
Write down 8 as next digit of the result. 
Result so far: 31580.98
Deduct 7848 from 8410 and we're left with 562.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5620, and continue the process.

Moving on to step 11:
When dividing 5620 by 981, we get 5 with a remainder of 715.
The number 5 becomes the next digit in our result. 
Result so far: 31580.985
Subtract 4905 from 5620 to get 715.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7150, and continue the process.

Moving on to step 12:
When dividing 7150 by 981, we get 7 with a remainder of 283.
The next digit of our result is 7. 
Result so far: 31580.9857
Subtract 6867 from 7150 to get 283.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2830, and continue the process.

On to step 13:
When dividing 2830 by 981, we get 2 with a remainder of 868.
The number 2 becomes the next digit in our result. 
Result so far: 31580.98572
Deduct 1962 from 2830 and we're left with 868.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8680, and continue the process.

Step 14:
981 can be fit into 8680 8 times, resulting in a remainder of 832.
Record the quotient 8 as the next digit in the result. 
Result so far: 31580.985728
The remainder is 832 after subtracting 7848 from 8680.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8320, and continue the process.

Moving on to step 15:
When dividing 8320 by 981, we get 8 with a remainder of 472.
The number 8 becomes the next digit in our result. 
Result so far: 31580.9857288
If we subtract 7848 from 8320, we get 472.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4720, and continue the process.

The final result is 31580.9857288 with a remainder of 4.72e-06.