898613 divided by 77 
The aim is to understand the frequency of 77 in 898613.

Moving on to step 1:
77 can be fit into 8 0 times, resulting in a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 8 after subtracting 0 from 8.
Grab the next digit (9) from the dividend, add it to 8, then carry on: 89 / 77

Going ahead to step 2:
The number 77 fits into 89 1 times, leaving a remainder of 12.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtract 77 from 89 to get 12.
Fetch the next digit (8) from the dividend, attach it to 12 and continue: 128 / 77

Advancing to step 3:
When dividing 128 by 77, we get 1 with a remainder of 51.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
If we subtract 77 from 128, we get 51.
Append the next digit (6) from the dividend to 51 and continue with: 516 / 77

Moving on to step 4:
77 goes into 516 6 times with a remainder of 54.
Use 6 as the next digit of our solution. 
Result so far: 116.0
The remainder is 54 after subtracting 462 from 516.
Grab the next digit (1) from the dividend, add it to 54, then carry on: 541 / 77

Step 5:
77 goes into 541 7 times with a remainder of 2.
Put 7 as the next digit of the answer. 
Result so far: 1167.0
If we take 539 away from 541, we end up with 2.
Grab the next digit (3) from the dividend, add it to 2, then carry on: 23 / 77

Step 6:
77 goes into 23 0 times with a remainder of 23.
Use 0 as the next digit of our solution. 
Result so far: 11670.0
Subtracting 0 from 23 leaves us with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Let's proceed to step 7:
230 divided by 77 is 2 with a remainder of 76.
Record the quotient 2 as the next digit in the result. 
Result so far: 11670.2
Subtract 154 from 230 to get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Advancing to step 8:
77 can be fit into 760 9 times, resulting in a remainder of 67.
Write down 9 as next digit of the result. 
Result so far: 11670.29
Deduct 693 from 760 and we're left with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

Step 9:
If we divide 670 by 77, we get 8 and a remainder of 54.
The next digit of our result is 8. 
Result so far: 11670.298
Subtract 616 from 670 to get 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

On to step 10:
77 goes into 540 7 times with a remainder of 1.
The next digit of our result is 7. 
Result so far: 11670.2987
If we subtract 539 from 540, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Let's proceed to step 11:
77 goes into 10 0 times with a remainder of 10.
The number 0 becomes the next digit in our result. 
Result so far: 11670.2987
Subtract 0 from 10 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Going ahead to step 12:
If we divide 100 by 77, we get 1 and a remainder of 23.
Put 1 as the next digit of the answer. 
Result so far: 11670.298701
Deduct 77 from 100 and we're left with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Moving on to step 13:
If we divide 230 by 77, we get 2 and a remainder of 76.
The number 2 becomes the next digit in our result. 
Result so far: 11670.2987012
If we subtract 154 from 230, we get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

On to step 14:
The number 77 fits into 760 9 times, leaving a remainder of 67.
Use 9 as the next digit of our solution. 
Result so far: 11670.29870129
If we take 693 away from 760, we end up with 67.
Since there are no more digits in the dividend, we add a zero to the remainder making it 670, and continue the process.

The final result is 11670.29870129 with a remainder of 6.7e-08.