603615 ÷ 55 
We're looking to find how many times 55 goes into 603615.

Let's proceed to step 1:
When dividing 6 by 55, we get 0 with a remainder of 6.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Grab the next digit (0) from the dividend, add it to 6, then carry on: 60 / 55

Advancing to step 2:
The number 55 fits into 60 1 times, leaving a remainder of 5.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we subtract 55 from 60, we get 5.
Bring next digit (3) of the dividend behind the 5 and repeat the process: 53 / 55

Advancing to step 3:
When dividing 53 by 55, we get 0 with a remainder of 53.
Use 0 as the next digit of our solution. 
Result so far: 10.0
Deduct 0 from 53 and we're left with 53.
Append the next digit (6) from the dividend to 53 and continue with: 536 / 55

Let's proceed to step 4:
536 divided by 55 is 9 with a remainder of 41.
Use 9 as the next digit of our solution. 
Result so far: 109.0
Deduct 495 from 536 and we're left with 41.
Append the next digit (1) from the dividend to 41 and continue with: 411 / 55

Going ahead to step 5:
The number 55 fits into 411 7 times, leaving a remainder of 26.
The next digit of our result is 7. 
Result so far: 1097.0
If we subtract 385 from 411, we get 26.
Append the next digit (5) from the dividend to 26 and continue with: 265 / 55

Step 6:
If we divide 265 by 55, we get 4 and a remainder of 45.
Put 4 as the next digit of the answer. 
Result so far: 10974.0
The remainder is 45 after subtracting 220 from 265.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 7:
450 divided by 55 is 8 with a remainder of 10.
Record the quotient 8 as the next digit in the result. 
Result so far: 10974.8
The remainder is 10 after subtracting 440 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 8:
55 can be fit into 100 1 times, resulting in a remainder of 45.
Write down 1 as next digit of the result. 
Result so far: 10974.81
The remainder is 45 after subtracting 55 from 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Going ahead to step 9:
If we divide 450 by 55, we get 8 and a remainder of 10.
Record the quotient 8 as the next digit in the result. 
Result so far: 10974.818
If we subtract 440 from 450, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Moving on to step 10:
100 divided by 55 is 1 with a remainder of 45.
Put 1 as the next digit of the answer. 
Result so far: 10974.8181
Subtract 55 from 100 to get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 11:
55 goes into 450 8 times with a remainder of 10.
Use 8 as the next digit of our solution. 
Result so far: 10974.81818
Subtract 440 from 450 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 12:
When dividing 100 by 55, we get 1 with a remainder of 45.
Record the quotient 1 as the next digit in the result. 
Result so far: 10974.818181
Subtract 55 from 100 to get 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Advancing to step 13:
55 can be fit into 450 8 times, resulting in a remainder of 10.
The next digit of our result is 8. 
Result so far: 10974.8181818
Subtracting 440 from 450 leaves us with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Step 14:
100 divided by 55 is 1 with a remainder of 45.
The number 1 becomes the next digit in our result. 
Result so far: 10974.81818181
If we take 55 away from 100, we end up with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

The final outcome is 10974.81818181, with a leftover of 4.5e-08.