We divide 77570250 by 877
The aim is to understand the frequency of 877 in 77570250.

Moving on to step 1:
877 goes into 7 0 times with a remainder of 7.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 7, we end up with 7.
Include the next digit (7) from the dividend after 7, then repeat: 77 / 877

Let's proceed to step 2:
If we divide 77 by 877, we get 0 and a remainder of 77.
The next digit of our result is 0. 
Result so far: 0.0
Subtracting 0 from 77 leaves us with 77.
Include the next digit (5) from the dividend after 77, then repeat: 775 / 877

Going ahead to step 3:
877 can be fit into 775 0 times, resulting in a remainder of 775.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 775 after subtracting 0 from 775.
Take the next digit (7) from the dividend and append it to 775, then repeat: 7757 / 877

On to step 4:
877 can be fit into 7757 8 times, resulting in a remainder of 741.
The number 8 becomes the next digit in our result. 
Result so far: 8.0
The remainder is 741 after subtracting 7016 from 7757.
Bring next digit (0) of the dividend behind the 741 and repeat the process: 7410 / 877

Let's proceed to step 5:
877 goes into 7410 8 times with a remainder of 394.
The next digit of our result is 8. 
Result so far: 88.0
Subtract 7016 from 7410 to get 394.
Take the next digit (2) from the dividend and append it to 394, then repeat: 3942 / 877

Moving on to step 6:
If we divide 3942 by 877, we get 4 and a remainder of 434.
The next digit of our result is 4. 
Result so far: 884.0
If we subtract 3508 from 3942, we get 434.
Append the next digit (5) from the dividend to 434 and continue with: 4345 / 877

Advancing to step 7:
4345 divided by 877 is 4 with a remainder of 837.
Use 4 as the next digit of our solution. 
Result so far: 8844.0
Subtract 3508 from 4345 to get 837.
Bring next digit (0) of the dividend behind the 837 and repeat the process: 8370 / 877

Advancing to step 8:
877 can be fit into 8370 9 times, resulting in a remainder of 477.
Put 9 as the next digit of the answer. 
Result so far: 88449.0
Subtracting 7893 from 8370 leaves us with 477.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4770, and continue the process.

Going ahead to step 9:
877 can be fit into 4770 5 times, resulting in a remainder of 385.
Put 5 as the next digit of the answer. 
Result so far: 88449.5
Deduct 4385 from 4770 and we're left with 385.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3850, and continue the process.

Let's proceed to step 10:
When dividing 3850 by 877, we get 4 with a remainder of 342.
Record the quotient 4 as the next digit in the result. 
Result so far: 88449.54
If we subtract 3508 from 3850, we get 342.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3420, and continue the process.

Advancing to step 11:
3420 divided by 877 is 3 with a remainder of 789.
Put 3 as the next digit of the answer. 
Result so far: 88449.543
If we take 2631 away from 3420, we end up with 789.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7890, and continue the process.

Going ahead to step 12:
If we divide 7890 by 877, we get 8 and a remainder of 874.
The next digit of our result is 8. 
Result so far: 88449.5438
Deduct 7016 from 7890 and we're left with 874.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8740, and continue the process.

On to step 13:
877 goes into 8740 9 times with a remainder of 847.
The next digit of our result is 9. 
Result so far: 88449.54389
Subtract 7893 from 8740 to get 847.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8470, and continue the process.

Step 14:
If we divide 8470 by 877, we get 9 and a remainder of 577.
Use 9 as the next digit of our solution. 
Result so far: 88449.543899
Deduct 7893 from 8470 and we're left with 577.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5770, and continue the process.

The final outcome is 88449.543899, with a leftover of 5.77e-05.