We're dividing 77901363 by 25 
The aim is to understand the frequency of 25 in 77901363.

Going ahead to step 1:
When dividing 7 by 25, we get 0 with a remainder of 7.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 7, we get 7.
Grab the next digit (7) from the dividend, add it to 7, then carry on: 77 / 25

Moving on to step 2:
The number 25 fits into 77 3 times, leaving a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Deduct 75 from 77 and we're left with 2.
Append the next digit (9) from the dividend to 2 and continue with: 29 / 25

Going ahead to step 3:
The number 25 fits into 29 1 times, leaving a remainder of 4.
Use 1 as the next digit of our solution. 
Result so far: 31.0
Deduct 25 from 29 and we're left with 4.
Bring next digit (0) of the dividend behind the 4 and repeat the process: 40 / 25

Going ahead to step 4:
25 goes into 40 1 times with a remainder of 15.
Write down 1 as next digit of the result. 
Result so far: 311.0
Deduct 25 from 40 and we're left with 15.
Fetch the next digit (1) from the dividend, attach it to 15 and continue: 151 / 25

On to step 5:
When dividing 151 by 25, we get 6 with a remainder of 1.
Record the quotient 6 as the next digit in the result. 
Result so far: 3116.0
Subtract 150 from 151 to get 1.
Fetch the next digit (3) from the dividend, attach it to 1 and continue: 13 / 25

Advancing to step 6:
25 goes into 13 0 times with a remainder of 13.
Put 0 as the next digit of the answer. 
Result so far: 31160.0
Subtract 0 from 13 to get 13.
Fetch the next digit (6) from the dividend, attach it to 13 and continue: 136 / 25

Advancing to step 7:
25 goes into 136 5 times with a remainder of 11.
Record the quotient 5 as the next digit in the result. 
Result so far: 311605.0
Subtract 125 from 136 to get 11.
Fetch the next digit (3) from the dividend, attach it to 11 and continue: 113 / 25

Step 8:
When dividing 113 by 25, we get 4 with a remainder of 13.
Write down 4 as next digit of the result. 
Result so far: 3116054.0
If we subtract 100 from 113, we get 13.
Since there are no more digits in the dividend, we add a zero to the remainder making it 130, and continue the process.

Advancing to step 9:
25 can be fit into 130 5 times, resulting in a remainder of 5.
The number 5 becomes the next digit in our result. 
Result so far: 3116054.5
Deduct 125 from 130 and we're left with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

On to step 10:
25 can be fit into 50 2 times, resulting in a remainder of 0.
Use 2 as the next digit of our solution. 
Result so far: 3116054.52
Deduct 50 from 50 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 11:
25 can be fit into 0 0 times, resulting in a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 3116054.52
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 12:
25 goes into 0 0 times with a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 3116054.52
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 3116054.52 with a balance of 0.0.