We're dividing 3769986 by 879 
The aim is to understand the frequency of 879 in 3769986.

Moving on to step 1:
879 can be fit into 3 0 times, resulting in a remainder of 3.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 3 and we're left with 3.
Fetch the next digit (7) from the dividend, attach it to 3 and continue: 37 / 879

Moving on to step 2:
879 can be fit into 37 0 times, resulting in a remainder of 37.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 37 to get 37.
Take the next digit (6) from the dividend and append it to 37, then repeat: 376 / 879

On to step 3:
If we divide 376 by 879, we get 0 and a remainder of 376.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 376, we get 376.
Take the next digit (9) from the dividend and append it to 376, then repeat: 3769 / 879

Step 4:
879 can be fit into 3769 4 times, resulting in a remainder of 253.
Use 4 as the next digit of our solution. 
Result so far: 4.0
The remainder is 253 after subtracting 3516 from 3769.
Fetch the next digit (9) from the dividend, attach it to 253 and continue: 2539 / 879

Advancing to step 5:
879 goes into 2539 2 times with a remainder of 781.
The next digit of our result is 2. 
Result so far: 42.0
If we subtract 1758 from 2539, we get 781.
Grab the next digit (8) from the dividend, add it to 781, then carry on: 7818 / 879

Advancing to step 6:
The number 879 fits into 7818 8 times, leaving a remainder of 786.
Use 8 as the next digit of our solution. 
Result so far: 428.0
Subtract 7032 from 7818 to get 786.
Grab the next digit (6) from the dividend, add it to 786, then carry on: 7866 / 879

On to step 7:
When dividing 7866 by 879, we get 8 with a remainder of 834.
The next digit of our result is 8. 
Result so far: 4288.0
If we subtract 7032 from 7866, we get 834.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8340, and continue the process.

On to step 8:
879 can be fit into 8340 9 times, resulting in a remainder of 429.
Record the quotient 9 as the next digit in the result. 
Result so far: 4288.9
The remainder is 429 after subtracting 7911 from 8340.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4290, and continue the process.

On to step 9:
If we divide 4290 by 879, we get 4 and a remainder of 774.
The next digit of our result is 4. 
Result so far: 4288.94
If we subtract 3516 from 4290, we get 774.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7740, and continue the process.

Moving on to step 10:
When dividing 7740 by 879, we get 8 with a remainder of 708.
Use 8 as the next digit of our solution. 
Result so far: 4288.948
If we subtract 7032 from 7740, we get 708.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7080, and continue the process.

Going ahead to step 11:
The number 879 fits into 7080 8 times, leaving a remainder of 48.
Use 8 as the next digit of our solution. 
Result so far: 4288.9488
If we take 7032 away from 7080, we end up with 48.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

In conclusion, the division gives 4288.9488 with a balance of 0.00048.