We look at the division of 21902965 by 150 
The aim is to understand the frequency of 150 in 21902965.

Let's proceed to step 1:
When dividing 2 by 150, we get 0 with a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Append the next digit (1) from the dividend to 2 and continue with: 21 / 150

Advancing to step 2:
150 can be fit into 21 0 times, resulting in a remainder of 21.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 21 after subtracting 0 from 21.
Grab the next digit (9) from the dividend, add it to 21, then carry on: 219 / 150

Advancing to step 3:
150 goes into 219 1 times with a remainder of 69.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 150 from 219 to get 69.
Include the next digit (0) from the dividend after 69, then repeat: 690 / 150

Let's proceed to step 4:
690 divided by 150 is 4 with a remainder of 90.
Record the quotient 4 as the next digit in the result. 
Result so far: 14.0
Deduct 600 from 690 and we're left with 90.
Fetch the next digit (2) from the dividend, attach it to 90 and continue: 902 / 150

Step 5:
150 can be fit into 902 6 times, resulting in a remainder of 2.
Put 6 as the next digit of the answer. 
Result so far: 146.0
If we subtract 900 from 902, we get 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 150

Moving on to step 6:
150 goes into 29 0 times with a remainder of 29.
Put 0 as the next digit of the answer. 
Result so far: 1460.0
If we take 0 away from 29, we end up with 29.
Append the next digit (6) from the dividend to 29 and continue with: 296 / 150

Advancing to step 7:
150 can be fit into 296 1 times, resulting in a remainder of 146.
Record the quotient 1 as the next digit in the result. 
Result so far: 14601.0
If we subtract 150 from 296, we get 146.
Include the next digit (5) from the dividend after 146, then repeat: 1465 / 150

Going ahead to step 8:
When dividing 1465 by 150, we get 9 with a remainder of 115.
Use 9 as the next digit of our solution. 
Result so far: 146019.0
Subtract 1350 from 1465 to get 115.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1150, and continue the process.

On to step 9:
The number 150 fits into 1150 7 times, leaving a remainder of 100.
Put 7 as the next digit of the answer. 
Result so far: 146019.7
If we take 1050 away from 1150, we end up with 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 10:
150 goes into 1000 6 times with a remainder of 100.
Record the quotient 6 as the next digit in the result. 
Result so far: 146019.76
If we take 900 away from 1000, we end up with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Moving on to step 11:
When dividing 1000 by 150, we get 6 with a remainder of 100.
Put 6 as the next digit of the answer. 
Result so far: 146019.766
Subtracting 900 from 1000 leaves us with 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

Our division results in 146019.766 with a remaining 0.01.