We divide 18378320 by 252
The aim is to understand the frequency of 252 in 18378320.

On to step 1:
252 can be fit into 1 0 times, resulting in a remainder of 1.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 1 after subtracting 0 from 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 252

Moving on to step 2:
18 divided by 252 is 0 with a remainder of 18.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 18 after subtracting 0 from 18.
Bring next digit (3) of the dividend behind the 18 and repeat the process: 183 / 252

Step 3:
252 can be fit into 183 0 times, resulting in a remainder of 183.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 183, we get 183.
Append the next digit (7) from the dividend to 183 and continue with: 1837 / 252

Step 4:
252 can be fit into 1837 7 times, resulting in a remainder of 73.
Write down 7 as next digit of the result. 
Result so far: 7.0
If we subtract 1764 from 1837, we get 73.
Grab the next digit (8) from the dividend, add it to 73, then carry on: 738 / 252

Advancing to step 5:
The number 252 fits into 738 2 times, leaving a remainder of 234.
The next digit of our result is 2. 
Result so far: 72.0
If we subtract 504 from 738, we get 234.
Take the next digit (3) from the dividend and append it to 234, then repeat: 2343 / 252

Step 6:
When dividing 2343 by 252, we get 9 with a remainder of 75.
The number 9 becomes the next digit in our result. 
Result so far: 729.0
Deduct 2268 from 2343 and we're left with 75.
Include the next digit (2) from the dividend after 75, then repeat: 752 / 252

Moving on to step 7:
When dividing 752 by 252, we get 2 with a remainder of 248.
The next digit of our result is 2. 
Result so far: 7292.0
Subtract 504 from 752 to get 248.
Bring next digit (0) of the dividend behind the 248 and repeat the process: 2480 / 252

On to step 8:
When dividing 2480 by 252, we get 9 with a remainder of 212.
Record the quotient 9 as the next digit in the result. 
Result so far: 72929.0
Subtracting 2268 from 2480 leaves us with 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

Moving on to step 9:
252 goes into 2120 8 times with a remainder of 104.
Use 8 as the next digit of our solution. 
Result so far: 72929.8
If we subtract 2016 from 2120, we get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Moving on to step 10:
The number 252 fits into 1040 4 times, leaving a remainder of 32.
Put 4 as the next digit of the answer. 
Result so far: 72929.84
The remainder is 32 after subtracting 1008 from 1040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Moving on to step 11:
The number 252 fits into 320 1 times, leaving a remainder of 68.
Record the quotient 1 as the next digit in the result. 
Result so far: 72929.841
Subtracting 252 from 320 leaves us with 68.
Since there are no more digits in the dividend, we add a zero to the remainder making it 680, and continue the process.

Step 12:
When dividing 680 by 252, we get 2 with a remainder of 176.
The next digit of our result is 2. 
Result so far: 72929.8412
The remainder is 176 after subtracting 504 from 680.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1760, and continue the process.

Going ahead to step 13:
When dividing 1760 by 252, we get 6 with a remainder of 248.
Write down 6 as next digit of the result. 
Result so far: 72929.84126
Subtract 1512 from 1760 to get 248.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2480, and continue the process.

On to step 14:
If we divide 2480 by 252, we get 9 and a remainder of 212.
The next digit of our result is 9. 
Result so far: 72929.841269
If we subtract 2268 from 2480, we get 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

Advancing to step 15:
If we divide 2120 by 252, we get 8 and a remainder of 104.
The number 8 becomes the next digit in our result. 
Result so far: 72929.8412698
Subtract 2016 from 2120 to get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Advancing to step 16:
When dividing 1040 by 252, we get 4 with a remainder of 32.
Write down 4 as next digit of the result. 
Result so far: 72929.84126984
The remainder is 32 after subtracting 1008 from 1040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

The final outcome is 72929.84126984, with a leftover of 3.2e-08.