We're dividing 157521 by 63 
We're looking to find how many times 63 goes into 157521.

Moving on to step 1:
1 divided by 63 is 0 with a remainder of 1.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 1 leaves us with 1.
Grab the next digit (5) from the dividend, add it to 1, then carry on: 15 / 63

Step 2:
If we divide 15 by 63, we get 0 and a remainder of 15.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 15 to get 15.
Bring next digit (7) of the dividend behind the 15 and repeat the process: 157 / 63

Going ahead to step 3:
The number 63 fits into 157 2 times, leaving a remainder of 31.
Write down 2 as next digit of the result. 
Result so far: 2.0
Deduct 126 from 157 and we're left with 31.
Include the next digit (5) from the dividend after 31, then repeat: 315 / 63

Let's proceed to step 4:
If we divide 315 by 63, we get 5 and a remainder of 0.
The next digit of our result is 5. 
Result so far: 25.0
If we take 315 away from 315, we end up with 0.
Grab the next digit (2) from the dividend, add it to 0, then carry on: 2 / 63

Going ahead to step 5:
63 goes into 2 0 times with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 250.0
If we subtract 0 from 2, we get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 63

On to step 6:
If we divide 21 by 63, we get 0 and a remainder of 21.
The number 0 becomes the next digit in our result. 
Result so far: 2500.0
Deduct 0 from 21 and we're left with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Moving on to step 7:
The number 63 fits into 210 3 times, leaving a remainder of 21.
Record the quotient 3 as the next digit in the result. 
Result so far: 2500.3
Subtract 189 from 210 to get 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

Going ahead to step 8:
If we divide 210 by 63, we get 3 and a remainder of 21.
Write down 3 as next digit of the result. 
Result so far: 2500.33
Subtracting 189 from 210 leaves us with 21.
Since there are no more digits in the dividend, we add a zero to the remainder making it 210, and continue the process.

After the division, we end up with 2500.33 and a remainder of 0.021.