77703661 ÷ 671 
The aim is to understand the frequency of 671 in 77703661.

On to step 1:
If we divide 7 by 671, we get 0 and a remainder of 7.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 7 to get 7.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 671

Advancing to step 2:
671 goes into 77 0 times with a remainder of 77.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 77 leaves us with 77.
Grab the next digit (7) from the dividend, add it to 77, then carry on: 777 / 671

Going ahead to step 3:
671 can be fit into 777 1 times, resulting in a remainder of 106.
Write down 1 as next digit of the result. 
Result so far: 1.0
Subtract 671 from 777 to get 106.
Append the next digit (0) from the dividend to 106 and continue with: 1060 / 671

On to step 4:
If we divide 1060 by 671, we get 1 and a remainder of 389.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
If we take 671 away from 1060, we end up with 389.
Append the next digit (3) from the dividend to 389 and continue with: 3893 / 671

Let's proceed to step 5:
If we divide 3893 by 671, we get 5 and a remainder of 538.
The next digit of our result is 5. 
Result so far: 115.0
If we take 3355 away from 3893, we end up with 538.
Bring next digit (6) of the dividend behind the 538 and repeat the process: 5386 / 671

Let's proceed to step 6:
671 can be fit into 5386 8 times, resulting in a remainder of 18.
Write down 8 as next digit of the result. 
Result so far: 1158.0
If we subtract 5368 from 5386, we get 18.
Grab the next digit (6) from the dividend, add it to 18, then carry on: 186 / 671

Step 7:
186 divided by 671 is 0 with a remainder of 186.
Use 0 as the next digit of our solution. 
Result so far: 11580.0
If we subtract 0 from 186, we get 186.
Fetch the next digit (1) from the dividend, attach it to 186 and continue: 1861 / 671

On to step 8:
If we divide 1861 by 671, we get 2 and a remainder of 519.
Use 2 as the next digit of our solution. 
Result so far: 115802.0
The remainder is 519 after subtracting 1342 from 1861.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5190, and continue the process.

On to step 9:
The number 671 fits into 5190 7 times, leaving a remainder of 493.
Put 7 as the next digit of the answer. 
Result so far: 115802.7
If we subtract 4697 from 5190, we get 493.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4930, and continue the process.

Moving on to step 10:
If we divide 4930 by 671, we get 7 and a remainder of 233.
The next digit of our result is 7. 
Result so far: 115802.77
If we take 4697 away from 4930, we end up with 233.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2330, and continue the process.

Our division results in 115802.77 with a remaining 0.233.