We're dividing 43850311 by 751 
The aim is to understand the frequency of 751 in 43850311.

Advancing to step 1:
If we divide 4 by 751, we get 0 and a remainder of 4.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 4, we get 4.
Append the next digit (3) from the dividend to 4 and continue with: 43 / 751

Going ahead to step 2:
751 can be fit into 43 0 times, resulting in a remainder of 43.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 43 and we're left with 43.
Include the next digit (8) from the dividend after 43, then repeat: 438 / 751

Advancing to step 3:
751 can be fit into 438 0 times, resulting in a remainder of 438.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 438 after subtracting 0 from 438.
Include the next digit (5) from the dividend after 438, then repeat: 4385 / 751

Advancing to step 4:
If we divide 4385 by 751, we get 5 and a remainder of 630.
Use 5 as the next digit of our solution. 
Result so far: 5.0
If we subtract 3755 from 4385, we get 630.
Grab the next digit (0) from the dividend, add it to 630, then carry on: 6300 / 751

Going ahead to step 5:
751 can be fit into 6300 8 times, resulting in a remainder of 292.
The next digit of our result is 8. 
Result so far: 58.0
If we take 6008 away from 6300, we end up with 292.
Grab the next digit (3) from the dividend, add it to 292, then carry on: 2923 / 751

Advancing to step 6:
When dividing 2923 by 751, we get 3 with a remainder of 670.
Record the quotient 3 as the next digit in the result. 
Result so far: 583.0
Subtracting 2253 from 2923 leaves us with 670.
Take the next digit (1) from the dividend and append it to 670, then repeat: 6701 / 751

Moving on to step 7:
When dividing 6701 by 751, we get 8 with a remainder of 693.
Put 8 as the next digit of the answer. 
Result so far: 5838.0
Subtracting 6008 from 6701 leaves us with 693.
Take the next digit (1) from the dividend and append it to 693, then repeat: 6931 / 751

On to step 8:
If we divide 6931 by 751, we get 9 and a remainder of 172.
Use 9 as the next digit of our solution. 
Result so far: 58389.0
If we subtract 6759 from 6931, we get 172.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1720, and continue the process.

Moving on to step 9:
The number 751 fits into 1720 2 times, leaving a remainder of 218.
Write down 2 as next digit of the result. 
Result so far: 58389.2
Subtract 1502 from 1720 to get 218.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2180, and continue the process.

Going ahead to step 10:
2180 divided by 751 is 2 with a remainder of 678.
Write down 2 as next digit of the result. 
Result so far: 58389.22
The remainder is 678 after subtracting 1502 from 2180.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6780, and continue the process.

The quotient of the division is 58389.22, and the remainder is 0.678.