25406030 divided by 354 
The aim is to understand the frequency of 354 in 25406030.

Going ahead to step 1:
If we divide 2 by 354, we get 0 and a remainder of 2.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 2, we get 2.
Fetch the next digit (5) from the dividend, attach it to 2 and continue: 25 / 354

Step 2:
The number 354 fits into 25 0 times, leaving a remainder of 25.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 25 and we're left with 25.
Fetch the next digit (4) from the dividend, attach it to 25 and continue: 254 / 354

Going ahead to step 3:
354 can be fit into 254 0 times, resulting in a remainder of 254.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 254 leaves us with 254.
Include the next digit (0) from the dividend after 254, then repeat: 2540 / 354

Advancing to step 4:
354 goes into 2540 7 times with a remainder of 62.
Use 7 as the next digit of our solution. 
Result so far: 7.0
Subtracting 2478 from 2540 leaves us with 62.
Take the next digit (6) from the dividend and append it to 62, then repeat: 626 / 354

On to step 5:
626 divided by 354 is 1 with a remainder of 272.
The next digit of our result is 1. 
Result so far: 71.0
Subtract 354 from 626 to get 272.
Fetch the next digit (0) from the dividend, attach it to 272 and continue: 2720 / 354

Let's proceed to step 6:
354 goes into 2720 7 times with a remainder of 242.
Record the quotient 7 as the next digit in the result. 
Result so far: 717.0
Subtracting 2478 from 2720 leaves us with 242.
Take the next digit (3) from the dividend and append it to 242, then repeat: 2423 / 354

Moving on to step 7:
If we divide 2423 by 354, we get 6 and a remainder of 299.
Write down 6 as next digit of the result. 
Result so far: 7176.0
Subtracting 2124 from 2423 leaves us with 299.
Take the next digit (0) from the dividend and append it to 299, then repeat: 2990 / 354

On to step 8:
2990 divided by 354 is 8 with a remainder of 158.
Put 8 as the next digit of the answer. 
Result so far: 71768.0
Deduct 2832 from 2990 and we're left with 158.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Advancing to step 9:
1580 divided by 354 is 4 with a remainder of 164.
The number 4 becomes the next digit in our result. 
Result so far: 71768.4
Deduct 1416 from 1580 and we're left with 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Advancing to step 10:
If we divide 1640 by 354, we get 4 and a remainder of 224.
The number 4 becomes the next digit in our result. 
Result so far: 71768.44
Subtracting 1416 from 1640 leaves us with 224.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2240, and continue the process.

In conclusion, the division gives 71768.44 with a balance of 0.224.