Let's divide 45708390 by 603
The aim is to understand the frequency of 603 in 45708390.

Let's proceed to step 1:
When dividing 4 by 603, we get 0 with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (5) from the dividend to 4 and continue with: 45 / 603

Advancing to step 2:
603 goes into 45 0 times with a remainder of 45.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 45 to get 45.
Grab the next digit (7) from the dividend, add it to 45, then carry on: 457 / 603

Let's proceed to step 3:
603 goes into 457 0 times with a remainder of 457.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 457, we get 457.
Fetch the next digit (0) from the dividend, attach it to 457 and continue: 4570 / 603

Going ahead to step 4:
4570 divided by 603 is 7 with a remainder of 349.
Write down 7 as next digit of the result. 
Result so far: 7.0
The remainder is 349 after subtracting 4221 from 4570.
Grab the next digit (8) from the dividend, add it to 349, then carry on: 3498 / 603

Advancing to step 5:
If we divide 3498 by 603, we get 5 and a remainder of 483.
The number 5 becomes the next digit in our result. 
Result so far: 75.0
Subtracting 3015 from 3498 leaves us with 483.
Append the next digit (3) from the dividend to 483 and continue with: 4833 / 603

Going ahead to step 6:
4833 divided by 603 is 8 with a remainder of 9.
The next digit of our result is 8. 
Result so far: 758.0
If we take 4824 away from 4833, we end up with 9.
Include the next digit (9) from the dividend after 9, then repeat: 99 / 603

On to step 7:
When dividing 99 by 603, we get 0 with a remainder of 99.
Put 0 as the next digit of the answer. 
Result so far: 7580.0
Subtract 0 from 99 to get 99.
Append the next digit (0) from the dividend to 99 and continue with: 990 / 603

Let's proceed to step 8:
When dividing 990 by 603, we get 1 with a remainder of 387.
Use 1 as the next digit of our solution. 
Result so far: 75801.0
The remainder is 387 after subtracting 603 from 990.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3870, and continue the process.

Moving on to step 9:
If we divide 3870 by 603, we get 6 and a remainder of 252.
Put 6 as the next digit of the answer. 
Result so far: 75801.6
If we take 3618 away from 3870, we end up with 252.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2520, and continue the process.

Let's proceed to step 10:
603 can be fit into 2520 4 times, resulting in a remainder of 108.
The next digit of our result is 4. 
Result so far: 75801.64
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.

On to step 11:
603 goes into 1080 1 times with a remainder of 477.
The next digit of our result is 1. 
Result so far: 75801.641
Subtract 603 from 1080 to get 477.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4770, and continue the process.

Advancing to step 12:
When dividing 4770 by 603, we get 7 with a remainder of 549.
Record the quotient 7 as the next digit in the result. 
Result so far: 75801.6417
Subtract 4221 from 4770 to get 549.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5490, and continue the process.

Moving on to step 13:
If we divide 5490 by 603, we get 9 and a remainder of 63.
The number 9 becomes the next digit in our result. 
Result so far: 75801.64179
If we subtract 5427 from 5490, we get 63.
Since there are no more digits in the dividend, we add a zero to the remainder making it 630, and continue the process.

Going ahead to step 14:
603 can be fit into 630 1 times, resulting in a remainder of 27.
Put 1 as the next digit of the answer. 
Result so far: 75801.641791
Subtracting 603 from 630 leaves us with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Let's proceed to step 15:
The number 603 fits into 270 0 times, leaving a remainder of 270.
The next digit of our result is 0. 
Result so far: 75801.641791
Subtracting 0 from 270 leaves us with 270.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2700, and continue the process.

Moving on to step 16:
2700 divided by 603 is 4 with a remainder of 288.
Put 4 as the next digit of the answer. 
Result so far: 75801.64179104
Deduct 2412 from 2700 and we're left with 288.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2880, and continue the process.

The final outcome is 75801.64179104, with a leftover of 2.88e-07.