We're dividing 61620939 by 603 
We want to figure out the number of times 61620939 can be divided by 603.

Moving on to step 1:
6 divided by 603 is 0 with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Include the next digit (1) from the dividend after 6, then repeat: 61 / 603

On to step 2:
If we divide 61 by 603, we get 0 and a remainder of 61.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 61, we end up with 61.
Append the next digit (6) from the dividend to 61 and continue with: 616 / 603

On to step 3:
616 divided by 603 is 1 with a remainder of 13.
Put 1 as the next digit of the answer. 
Result so far: 1.0
If we take 603 away from 616, we end up with 13.
Include the next digit (2) from the dividend after 13, then repeat: 132 / 603

Moving on to step 4:
The number 603 fits into 132 0 times, leaving a remainder of 132.
Put 0 as the next digit of the answer. 
Result so far: 10.0
Subtract 0 from 132 to get 132.
Take the next digit (0) from the dividend and append it to 132, then repeat: 1320 / 603

Let's proceed to step 5:
603 can be fit into 1320 2 times, resulting in a remainder of 114.
Record the quotient 2 as the next digit in the result. 
Result so far: 102.0
Deduct 1206 from 1320 and we're left with 114.
Fetch the next digit (9) from the dividend, attach it to 114 and continue: 1149 / 603

On to step 6:
1149 divided by 603 is 1 with a remainder of 546.
Put 1 as the next digit of the answer. 
Result so far: 1021.0
The remainder is 546 after subtracting 603 from 1149.
Bring next digit (3) of the dividend behind the 546 and repeat the process: 5463 / 603

On to step 7:
The number 603 fits into 5463 9 times, leaving a remainder of 36.
Record the quotient 9 as the next digit in the result. 
Result so far: 10219.0
If we take 5427 away from 5463, we end up with 36.
Grab the next digit (9) from the dividend, add it to 36, then carry on: 369 / 603

Let's proceed to step 8:
603 goes into 369 0 times with a remainder of 369.
The next digit of our result is 0. 
Result so far: 102190.0
Subtracting 0 from 369 leaves us with 369.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3690, and continue the process.

Step 9:
603 goes into 3690 6 times with a remainder of 72.
The next digit of our result is 6. 
Result so far: 102190.6
Deduct 3618 from 3690 and we're left with 72.
Since there are no more digits in the dividend, we add a zero to the remainder making it 720, and continue the process.

On to step 10:
603 goes into 720 1 times with a remainder of 117.
Put 1 as the next digit of the answer. 
Result so far: 102190.61
The remainder is 117 after subtracting 603 from 720.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1170, and continue the process.

Step 11:
603 goes into 1170 1 times with a remainder of 567.
Put 1 as the next digit of the answer. 
Result so far: 102190.611
The remainder is 567 after subtracting 603 from 1170.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5670, and continue the process.

The final outcome is 102190.611, with a leftover of 0.0567.