We divide 379210 by 45
The aim is to understand the frequency of 45 in 379210.

Let's proceed to step 1:
When dividing 3 by 45, we get 0 with a remainder of 3.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Append the next digit (7) from the dividend to 3 and continue with: 37 / 45

On to step 2:
37 divided by 45 is 0 with a remainder of 37.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 37 leaves us with 37.
Take the next digit (9) from the dividend and append it to 37, then repeat: 379 / 45

Moving on to step 3:
45 goes into 379 8 times with a remainder of 19.
Use 8 as the next digit of our solution. 
Result so far: 8.0
Subtract 360 from 379 to get 19.
Take the next digit (2) from the dividend and append it to 19, then repeat: 192 / 45

Going ahead to step 4:
45 can be fit into 192 4 times, resulting in a remainder of 12.
Write down 4 as next digit of the result. 
Result so far: 84.0
The remainder is 12 after subtracting 180 from 192.
Include the next digit (1) from the dividend after 12, then repeat: 121 / 45

Advancing to step 5:
When dividing 121 by 45, we get 2 with a remainder of 31.
Write down 2 as next digit of the result. 
Result so far: 842.0
Subtract 90 from 121 to get 31.
Bring next digit (0) of the dividend behind the 31 and repeat the process: 310 / 45

On to step 6:
The number 45 fits into 310 6 times, leaving a remainder of 40.
Put 6 as the next digit of the answer. 
Result so far: 8426.0
Subtract 270 from 310 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 7:
400 divided by 45 is 8 with a remainder of 40.
The next digit of our result is 8. 
Result so far: 8426.8
Deduct 360 from 400 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 8:
The number 45 fits into 400 8 times, leaving a remainder of 40.
Use 8 as the next digit of our solution. 
Result so far: 8426.88
Deduct 360 from 400 and we're left with 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

The final result is 8426.88 with a remainder of 0.04.