68978049 divided by 251 
The aim is to understand the frequency of 251 in 68978049.

On to step 1:
If we divide 6 by 251, we get 0 and a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Bring next digit (8) of the dividend behind the 6 and repeat the process: 68 / 251

Let's proceed to step 2:
When dividing 68 by 251, we get 0 with a remainder of 68.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 68, we get 68.
Grab the next digit (9) from the dividend, add it to 68, then carry on: 689 / 251

Let's proceed to step 3:
689 divided by 251 is 2 with a remainder of 187.
Record the quotient 2 as the next digit in the result. 
Result so far: 2.0
If we subtract 502 from 689, we get 187.
Take the next digit (7) from the dividend and append it to 187, then repeat: 1877 / 251

Going ahead to step 4:
If we divide 1877 by 251, we get 7 and a remainder of 120.
Write down 7 as next digit of the result. 
Result so far: 27.0
Subtracting 1757 from 1877 leaves us with 120.
Grab the next digit (8) from the dividend, add it to 120, then carry on: 1208 / 251

Advancing to step 5:
251 goes into 1208 4 times with a remainder of 204.
Put 4 as the next digit of the answer. 
Result so far: 274.0
Subtracting 1004 from 1208 leaves us with 204.
Grab the next digit (0) from the dividend, add it to 204, then carry on: 2040 / 251

Let's proceed to step 6:
251 can be fit into 2040 8 times, resulting in a remainder of 32.
Use 8 as the next digit of our solution. 
Result so far: 2748.0
If we subtract 2008 from 2040, we get 32.
Grab the next digit (4) from the dividend, add it to 32, then carry on: 324 / 251

Going ahead to step 7:
When dividing 324 by 251, we get 1 with a remainder of 73.
Use 1 as the next digit of our solution. 
Result so far: 27481.0
If we take 251 away from 324, we end up with 73.
Grab the next digit (9) from the dividend, add it to 73, then carry on: 739 / 251

Moving on to step 8:
When dividing 739 by 251, we get 2 with a remainder of 237.
Write down 2 as next digit of the result. 
Result so far: 274812.0
The remainder is 237 after subtracting 502 from 739.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2370, and continue the process.

Step 9:
251 goes into 2370 9 times with a remainder of 111.
Write down 9 as next digit of the result. 
Result so far: 274812.9
Deduct 2259 from 2370 and we're left with 111.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1110, and continue the process.

On to step 10:
When dividing 1110 by 251, we get 4 with a remainder of 106.
Put 4 as the next digit of the answer. 
Result so far: 274812.94
If we take 1004 away from 1110, we end up with 106.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1060, and continue the process.

On to step 11:
When dividing 1060 by 251, we get 4 with a remainder of 56.
The number 4 becomes the next digit in our result. 
Result so far: 274812.944
Subtract 1004 from 1060 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

The final result is 274812.944 with a remainder of 0.0056.