Let's divide 7500220 by 300
The aim is to understand the frequency of 300 in 7500220.

Going ahead to step 1:
300 goes into 7 0 times with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Bring next digit (5) of the dividend behind the 7 and repeat the process: 75 / 300

Going ahead to step 2:
75 divided by 300 is 0 with a remainder of 75.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 75 and we're left with 75.
Bring next digit (0) of the dividend behind the 75 and repeat the process: 750 / 300

Let's proceed to step 3:
750 divided by 300 is 2 with a remainder of 150.
The next digit of our result is 2. 
Result so far: 2.0
If we take 600 away from 750, we end up with 150.
Take the next digit (0) from the dividend and append it to 150, then repeat: 1500 / 300

Let's proceed to step 4:
If we divide 1500 by 300, we get 5 and a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 25.0
Deduct 1500 from 1500 and we're left with 0.
Grab the next digit (2) from the dividend, add it to 0, then carry on: 2 / 300

Moving on to step 5:
When dividing 2 by 300, we get 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 250.0
Deduct 0 from 2 and we're left with 2.
Include the next digit (2) from the dividend after 2, then repeat: 22 / 300

Moving on to step 6:
300 goes into 22 0 times with a remainder of 22.
The number 0 becomes the next digit in our result. 
Result so far: 2500.0
Subtracting 0 from 22 leaves us with 22.
Append the next digit (0) from the dividend to 22 and continue with: 220 / 300

On to step 7:
When dividing 220 by 300, we get 0 with a remainder of 220.
Record the quotient 0 as the next digit in the result. 
Result so far: 25000.0
Deduct 0 from 220 and we're left with 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Advancing to step 8:
When dividing 2200 by 300, we get 7 with a remainder of 100.
The number 7 becomes the next digit in our result. 
Result so far: 25000.7
Subtract 2100 from 2200 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Advancing to step 9:
300 goes into 1000 3 times with a remainder of 100.
Write down 3 as next digit of the result. 
Result so far: 25000.73
Subtract 900 from 1000 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Going ahead to step 10:
1000 divided by 300 is 3 with a remainder of 100.
Put 3 as the next digit of the answer. 
Result so far: 25000.733
Subtract 900 from 1000 to get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

After the division, we end up with 25000.733 and a remainder of 0.01.