We look at the division of 46178818 by 603 
The aim is to understand the frequency of 603 in 46178818.

Let's proceed to step 1:
If we divide 4 by 603, we get 0 and a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Take the next digit (6) from the dividend and append it to 4, then repeat: 46 / 603

Advancing to step 2:
46 divided by 603 is 0 with a remainder of 46.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 46 to get 46.
Bring next digit (1) of the dividend behind the 46 and repeat the process: 461 / 603

Advancing to step 3:
The number 603 fits into 461 0 times, leaving a remainder of 461.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 461, we get 461.
Grab the next digit (7) from the dividend, add it to 461, then carry on: 4617 / 603

Going ahead to step 4:
If we divide 4617 by 603, we get 7 and a remainder of 396.
Write down 7 as next digit of the result. 
Result so far: 7.0
Deduct 4221 from 4617 and we're left with 396.
Grab the next digit (8) from the dividend, add it to 396, then carry on: 3968 / 603

Moving on to step 5:
603 can be fit into 3968 6 times, resulting in a remainder of 350.
Put 6 as the next digit of the answer. 
Result so far: 76.0
If we subtract 3618 from 3968, we get 350.
Bring next digit (8) of the dividend behind the 350 and repeat the process: 3508 / 603

Moving on to step 6:
If we divide 3508 by 603, we get 5 and a remainder of 493.
Write down 5 as next digit of the result. 
Result so far: 765.0
If we take 3015 away from 3508, we end up with 493.
Take the next digit (1) from the dividend and append it to 493, then repeat: 4931 / 603

Moving on to step 7:
4931 divided by 603 is 8 with a remainder of 107.
The number 8 becomes the next digit in our result. 
Result so far: 7658.0
If we subtract 4824 from 4931, we get 107.
Grab the next digit (8) from the dividend, add it to 107, then carry on: 1078 / 603

Step 8:
603 can be fit into 1078 1 times, resulting in a remainder of 475.
The number 1 becomes the next digit in our result. 
Result so far: 76581.0
Subtracting 603 from 1078 leaves us with 475.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4750, and continue the process.

On to step 9:
The number 603 fits into 4750 7 times, leaving a remainder of 529.
Write down 7 as next digit of the result. 
Result so far: 76581.7
If we subtract 4221 from 4750, we get 529.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5290, and continue the process.

On to step 10:
The number 603 fits into 5290 8 times, leaving a remainder of 466.
Put 8 as the next digit of the answer. 
Result so far: 76581.78
The remainder is 466 after subtracting 4824 from 5290.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4660, and continue the process.

Moving on to step 11:
603 can be fit into 4660 7 times, resulting in a remainder of 439.
Use 7 as the next digit of our solution. 
Result so far: 76581.787
If we subtract 4221 from 4660, we get 439.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4390, and continue the process.

Step 12:
When dividing 4390 by 603, we get 7 with a remainder of 169.
The next digit of our result is 7. 
Result so far: 76581.7877
The remainder is 169 after subtracting 4221 from 4390.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

The final outcome is 76581.7877, with a leftover of 0.00169.