We're dividing 63516803 by 373 
We want to divide 63516803 by 373.

On to step 1:
The number 373 fits into 6 0 times, leaving 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 (3) from the dividend, add it to 6, then carry on: 63 / 373

Step 2:
The number 373 fits into 63 0 times, leaving a remainder of 63.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 63 after subtracting 0 from 63.
Include the next digit (5) from the dividend after 63, then repeat: 635 / 373

On to step 3:
373 goes into 635 1 times with a remainder of 262.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
The remainder is 262 after subtracting 373 from 635.
Append the next digit (1) from the dividend to 262 and continue with: 2621 / 373

Going ahead to step 4:
373 goes into 2621 7 times with a remainder of 10.
Write down 7 as next digit of the result. 
Result so far: 17.0
If we take 2611 away from 2621, we end up with 10.
Grab the next digit (6) from the dividend, add it to 10, then carry on: 106 / 373

On to step 5:
373 goes into 106 0 times with a remainder of 106.
Write down 0 as next digit of the result. 
Result so far: 170.0
Deduct 0 from 106 and we're left with 106.
Grab the next digit (8) from the dividend, add it to 106, then carry on: 1068 / 373

Advancing to step 6:
The number 373 fits into 1068 2 times, leaving a remainder of 322.
The number 2 becomes the next digit in our result. 
Result so far: 1702.0
Subtract 746 from 1068 to get 322.
Grab the next digit (0) from the dividend, add it to 322, then carry on: 3220 / 373

Step 7:
When dividing 3220 by 373, we get 8 with a remainder of 236.
Write down 8 as next digit of the result. 
Result so far: 17028.0
Deduct 2984 from 3220 and we're left with 236.
Take the next digit (3) from the dividend and append it to 236, then repeat: 2363 / 373

Moving on to step 8:
When dividing 2363 by 373, we get 6 with a remainder of 125.
Write down 6 as next digit of the result. 
Result so far: 170286.0
Deduct 2238 from 2363 and we're left with 125.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1250, and continue the process.

On to step 9:
When dividing 1250 by 373, we get 3 with a remainder of 131.
The next digit of our result is 3. 
Result so far: 170286.3
Subtract 1119 from 1250 to get 131.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1310, and continue the process.

Going ahead to step 10:
373 goes into 1310 3 times with a remainder of 191.
Put 3 as the next digit of the answer. 
Result so far: 170286.33
Deduct 1119 from 1310 and we're left with 191.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1910, and continue the process.

The quotient of the division is 170286.33, and the remainder is 0.191.