60535720 divided by 639 
The aim is to understand the frequency of 639 in 60535720.

Moving on to step 1:
When dividing 6 by 639, we get 0 with a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Deduct 0 from 6 and we're left with 6.
Append the next digit (0) from the dividend to 6 and continue with: 60 / 639

Let's proceed to step 2:
If we divide 60 by 639, we get 0 and a remainder of 60.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 60 after subtracting 0 from 60.
Fetch the next digit (5) from the dividend, attach it to 60 and continue: 605 / 639

Let's proceed to step 3:
605 divided by 639 is 0 with a remainder of 605.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 605 leaves us with 605.
Bring next digit (3) of the dividend behind the 605 and repeat the process: 6053 / 639

Step 4:
639 goes into 6053 9 times with a remainder of 302.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Subtract 5751 from 6053 to get 302.
Bring next digit (5) of the dividend behind the 302 and repeat the process: 3025 / 639

Step 5:
The number 639 fits into 3025 4 times, leaving a remainder of 469.
Use 4 as the next digit of our solution. 
Result so far: 94.0
Subtracting 2556 from 3025 leaves us with 469.
Take the next digit (7) from the dividend and append it to 469, then repeat: 4697 / 639

Advancing to step 6:
The number 639 fits into 4697 7 times, leaving a remainder of 224.
Write down 7 as next digit of the result. 
Result so far: 947.0
Subtract 4473 from 4697 to get 224.
Include the next digit (2) from the dividend after 224, then repeat: 2242 / 639

Advancing to step 7:
If we divide 2242 by 639, we get 3 and a remainder of 325.
The next digit of our result is 3. 
Result so far: 9473.0
Subtracting 1917 from 2242 leaves us with 325.
Append the next digit (0) from the dividend to 325 and continue with: 3250 / 639

On to step 8:
3250 divided by 639 is 5 with a remainder of 55.
Record the quotient 5 as the next digit in the result. 
Result so far: 94735.0
The remainder is 55 after subtracting 3195 from 3250.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

On to step 9:
639 goes into 550 0 times with a remainder of 550.
Put 0 as the next digit of the answer. 
Result so far: 94735.0
The remainder is 550 after subtracting 0 from 550.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5500, and continue the process.

Going ahead to step 10:
639 goes into 5500 8 times with a remainder of 388.
The next digit of our result is 8. 
Result so far: 94735.08
Subtract 5112 from 5500 to get 388.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3880, and continue the process.

Advancing to step 11:
When dividing 3880 by 639, we get 6 with a remainder of 46.
Use 6 as the next digit of our solution. 
Result so far: 94735.086
Subtracting 3834 from 3880 leaves us with 46.
Since there are no more digits in the dividend, we add a zero to the remainder making it 460, and continue the process.

Step 12:
The number 639 fits into 460 0 times, leaving a remainder of 460.
Record the quotient 0 as the next digit in the result. 
Result so far: 94735.086
If we take 0 away from 460, we end up with 460.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4600, and continue the process.

Moving on to step 13:
When dividing 4600 by 639, we get 7 with a remainder of 127.
Record the quotient 7 as the next digit in the result. 
Result so far: 94735.08607
The remainder is 127 after subtracting 4473 from 4600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1270, and continue the process.

Let's proceed to step 14:
If we divide 1270 by 639, we get 1 and a remainder of 631.
Write down 1 as next digit of the result. 
Result so far: 94735.086071
Subtract 639 from 1270 to get 631.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6310, and continue the process.

Step 15:
The number 639 fits into 6310 9 times, leaving a remainder of 559.
Put 9 as the next digit of the answer. 
Result so far: 94735.0860719
The remainder is 559 after subtracting 5751 from 6310.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5590, and continue the process.

On to step 16:
639 goes into 5590 8 times with a remainder of 478.
Use 8 as the next digit of our solution. 
Result so far: 94735.08607198
If we take 5112 away from 5590, we end up with 478.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4780, and continue the process.

The final result is 94735.08607198 with a remainder of 4.78e-07.