We look at the division of 481377 by 31 
The aim is to understand the frequency of 31 in 481377.

Let's proceed to step 1:
When dividing 4 by 31, we get 0 with a remainder of 4.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Grab the next digit (8) from the dividend, add it to 4, then carry on: 48 / 31

Step 2:
31 can be fit into 48 1 times, resulting in a remainder of 17.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 31 from 48 to get 17.
Grab the next digit (1) from the dividend, add it to 17, then carry on: 171 / 31

Moving on to step 3:
The number 31 fits into 171 5 times, leaving a remainder of 16.
Write down 5 as next digit of the result. 
Result so far: 15.0
Subtracting 155 from 171 leaves us with 16.
Take the next digit (3) from the dividend and append it to 16, then repeat: 163 / 31

Step 4:
31 can be fit into 163 5 times, resulting in a remainder of 8.
Put 5 as the next digit of the answer. 
Result so far: 155.0
If we subtract 155 from 163, we get 8.
Grab the next digit (7) from the dividend, add it to 8, then carry on: 87 / 31

Going ahead to step 5:
31 can be fit into 87 2 times, resulting in a remainder of 25.
The number 2 becomes the next digit in our result. 
Result so far: 1552.0
Deduct 62 from 87 and we're left with 25.
Append the next digit (7) from the dividend to 25 and continue with: 257 / 31

Step 6:
31 can be fit into 257 8 times, resulting in a remainder of 9.
Use 8 as the next digit of our solution. 
Result so far: 15528.0
Subtract 248 from 257 to get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Going ahead to step 7:
If we divide 90 by 31, we get 2 and a remainder of 28.
The number 2 becomes the next digit in our result. 
Result so far: 15528.2
If we take 62 away from 90, we end up with 28.
Since there are no more digits in the dividend, we add a zero to the remainder making it 280, and continue the process.

On to step 8:
The number 31 fits into 280 9 times, leaving a remainder of 1.
Use 9 as the next digit of our solution. 
Result so far: 15528.29
Subtract 279 from 280 to get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 9:
If we divide 10 by 31, we get 0 and a remainder of 10.
Write down 0 as next digit of the result. 
Result so far: 15528.29
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 10:
If we divide 100 by 31, we get 3 and a remainder of 7.
The next digit of our result is 3. 
Result so far: 15528.2903
The remainder is 7 after subtracting 93 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 70, and continue the process.

On to step 11:
31 goes into 70 2 times with a remainder of 8.
Write down 2 as next digit of the result. 
Result so far: 15528.29032
If we take 62 away from 70, we end up with 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Let's proceed to step 12:
If we divide 80 by 31, we get 2 and a remainder of 18.
Use 2 as the next digit of our solution. 
Result so far: 15528.290322
If we subtract 62 from 80, we get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

In conclusion, the division gives 15528.290322 with a balance of 1.8e-06.