365509 divided by 45 
The aim is to understand the frequency of 45 in 365509.

Advancing to step 1:
If we divide 3 by 45, we get 0 and 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 (6) from the dividend to 3 and continue with: 36 / 45

Going ahead to step 2:
The number 45 fits into 36 0 times, leaving a remainder of 36.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 36 to get 36.
Grab the next digit (5) from the dividend, add it to 36, then carry on: 365 / 45

Moving on to step 3:
When dividing 365 by 45, we get 8 with a remainder of 5.
Write down 8 as next digit of the result. 
Result so far: 8.0
If we subtract 360 from 365, we get 5.
Bring next digit (5) of the dividend behind the 5 and repeat the process: 55 / 45

Moving on to step 4:
45 goes into 55 1 times with a remainder of 10.
The number 1 becomes the next digit in our result. 
Result so far: 81.0
The remainder is 10 after subtracting 45 from 55.
Take the next digit (0) from the dividend and append it to 10, then repeat: 100 / 45

Let's proceed to step 5:
When dividing 100 by 45, we get 2 with a remainder of 10.
Use 2 as the next digit of our solution. 
Result so far: 812.0
Deduct 90 from 100 and we're left with 10.
Fetch the next digit (9) from the dividend, attach it to 10 and continue: 109 / 45

Step 6:
When dividing 109 by 45, we get 2 with a remainder of 19.
Use 2 as the next digit of our solution. 
Result so far: 8122.0
Subtract 90 from 109 to get 19.
Since there are no more digits in the dividend, we add a zero to the remainder making it 190, and continue the process.

Step 7:
45 can be fit into 190 4 times, resulting in a remainder of 10.
Write down 4 as next digit of the result. 
Result so far: 8122.4
If we take 180 away from 190, we end up with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 8:
45 goes into 100 2 times with a remainder of 10.
Write down 2 as next digit of the result. 
Result so far: 8122.42
Subtract 90 from 100 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.

Advancing to step 9:
45 goes into 100 2 times with a remainder of 10.
Use 2 as the next digit of our solution. 
Result so far: 8122.422
Subtract 90 from 100 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.

The final outcome is 8122.422, with a leftover of 0.001.