55579455 ÷ 603 
The aim is to understand the frequency of 603 in 55579455.

Moving on to step 1:
When dividing 5 by 603, we get 0 with a remainder of 5.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 5, we end up with 5.
Take the next digit (5) from the dividend and append it to 5, then repeat: 55 / 603

Step 2:
When dividing 55 by 603, we get 0 with a remainder of 55.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 55 leaves us with 55.
Bring next digit (5) of the dividend behind the 55 and repeat the process: 555 / 603

Advancing to step 3:
603 can be fit into 555 0 times, resulting in a remainder of 555.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 555 to get 555.
Fetch the next digit (7) from the dividend, attach it to 555 and continue: 5557 / 603

Going ahead to step 4:
603 can be fit into 5557 9 times, resulting in a remainder of 130.
The number 9 becomes the next digit in our result. 
Result so far: 9.0
Subtracting 5427 from 5557 leaves us with 130.
Append the next digit (9) from the dividend to 130 and continue with: 1309 / 603

Moving on to step 5:
When dividing 1309 by 603, we get 2 with a remainder of 103.
The number 2 becomes the next digit in our result. 
Result so far: 92.0
Subtracting 1206 from 1309 leaves us with 103.
Include the next digit (4) from the dividend after 103, then repeat: 1034 / 603

Moving on to step 6:
When dividing 1034 by 603, we get 1 with a remainder of 431.
The next digit of our result is 1. 
Result so far: 921.0
Subtract 603 from 1034 to get 431.
Include the next digit (5) from the dividend after 431, then repeat: 4315 / 603

Moving on to step 7:
If we divide 4315 by 603, we get 7 and a remainder of 94.
Use 7 as the next digit of our solution. 
Result so far: 9217.0
The remainder is 94 after subtracting 4221 from 4315.
Include the next digit (5) from the dividend after 94, then repeat: 945 / 603

Moving on to step 8:
When dividing 945 by 603, we get 1 with a remainder of 342.
Use 1 as the next digit of our solution. 
Result so far: 92171.0
Subtract 603 from 945 to get 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

Let's proceed to step 9:
603 can be fit into 3420 5 times, resulting in a remainder of 405.
The number 5 becomes the next digit in our result. 
Result so far: 92171.5
If we subtract 3015 from 3420, we get 405.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4050, and continue the process.

On to step 10:
The number 603 fits into 4050 6 times, leaving a remainder of 432.
Use 6 as the next digit of our solution. 
Result so far: 92171.56
Deduct 3618 from 4050 and we're left with 432.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4320, and continue the process.

Step 11:
4320 divided by 603 is 7 with a remainder of 99.
Put 7 as the next digit of the answer. 
Result so far: 92171.567
The remainder is 99 after subtracting 4221 from 4320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Let's proceed to step 12:
990 divided by 603 is 1 with a remainder of 387.
Use 1 as the next digit of our solution. 
Result so far: 92171.5671
If we subtract 603 from 990, we get 387.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3870, and continue the process.

Let's proceed to step 13:
603 can be fit into 3870 6 times, resulting in a remainder of 252.
Put 6 as the next digit of the answer. 
Result so far: 92171.56716
Subtract 3618 from 3870 to get 252.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2520, and continue the process.

Going ahead to step 14:
603 goes into 2520 4 times with a remainder of 108.
The next digit of our result is 4. 
Result so far: 92171.567164
If we subtract 2412 from 2520, we get 108.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1080, and continue the process.

Step 15:
603 goes into 1080 1 times with a remainder of 477.
The next digit of our result is 1. 
Result so far: 92171.5671641
Deduct 603 from 1080 and we're left with 477.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4770, and continue the process.

Moving on to step 16:
603 can be fit into 4770 7 times, resulting in a remainder of 549.
Put 7 as the next digit of the answer. 
Result so far: 92171.56716417
The remainder is 549 after subtracting 4221 from 4770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5490, and continue the process.

The quotient of the division is 92171.56716417, and the remainder is 5.49e-07.