We look at the division of 74489386 by 397 
The aim is to understand the frequency of 397 in 74489386.

Let's proceed to step 1:
If we divide 7 by 397, we get 0 and a remainder of 7.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 7 leaves us with 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 397

Advancing to step 2:
74 divided by 397 is 0 with a remainder of 74.
Use 0 as the next digit of our solution. 
Result so far: 0.0
The remainder is 74 after subtracting 0 from 74.
Include the next digit (4) from the dividend after 74, then repeat: 744 / 397

On to step 3:
397 can be fit into 744 1 times, resulting in a remainder of 347.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtracting 397 from 744 leaves us with 347.
Take the next digit (8) from the dividend and append it to 347, then repeat: 3478 / 397

Moving on to step 4:
When dividing 3478 by 397, we get 8 with a remainder of 302.
The next digit of our result is 8. 
Result so far: 18.0
Subtracting 3176 from 3478 leaves us with 302.
Grab the next digit (9) from the dividend, add it to 302, then carry on: 3029 / 397

On to step 5:
The number 397 fits into 3029 7 times, leaving a remainder of 250.
Use 7 as the next digit of our solution. 
Result so far: 187.0
The remainder is 250 after subtracting 2779 from 3029.
Fetch the next digit (3) from the dividend, attach it to 250 and continue: 2503 / 397

Step 6:
2503 divided by 397 is 6 with a remainder of 121.
The next digit of our result is 6. 
Result so far: 1876.0
Deduct 2382 from 2503 and we're left with 121.
Take the next digit (8) from the dividend and append it to 121, then repeat: 1218 / 397

Advancing to step 7:
If we divide 1218 by 397, we get 3 and a remainder of 27.
The next digit of our result is 3. 
Result so far: 18763.0
Subtract 1191 from 1218 to get 27.
Grab the next digit (6) from the dividend, add it to 27, then carry on: 276 / 397

Moving on to step 8:
276 divided by 397 is 0 with a remainder of 276.
Put 0 as the next digit of the answer. 
Result so far: 187630.0
If we take 0 away from 276, we end up with 276.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2760, and continue the process.

Advancing to step 9:
If we divide 2760 by 397, we get 6 and a remainder of 378.
Record the quotient 6 as the next digit in the result. 
Result so far: 187630.6
If we subtract 2382 from 2760, we get 378.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3780, and continue the process.

Let's proceed to step 10:
3780 divided by 397 is 9 with a remainder of 207.
Record the quotient 9 as the next digit in the result. 
Result so far: 187630.69
If we take 3573 away from 3780, we end up with 207.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2070, and continue the process.

Advancing to step 11:
397 goes into 2070 5 times with a remainder of 85.
Put 5 as the next digit of the answer. 
Result so far: 187630.695
The remainder is 85 after subtracting 1985 from 2070.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Going ahead to step 12:
397 can be fit into 850 2 times, resulting in a remainder of 56.
The next digit of our result is 2. 
Result so far: 187630.6952
Subtract 794 from 850 to get 56.
Since there are no more digits in the dividend, we add a zero to the remainder making it 560, and continue the process.

On to step 13:
397 goes into 560 1 times with a remainder of 163.
Record the quotient 1 as the next digit in the result. 
Result so far: 187630.69521
Subtracting 397 from 560 leaves us with 163.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1630, and continue the process.

On to step 14:
When dividing 1630 by 397, we get 4 with a remainder of 42.
Put 4 as the next digit of the answer. 
Result so far: 187630.695214
Deduct 1588 from 1630 and we're left with 42.
Since there are no more digits in the dividend, we add a zero to the remainder making it 420, and continue the process.

Let's proceed to step 15:
When dividing 420 by 397, we get 1 with a remainder of 23.
Write down 1 as next digit of the result. 
Result so far: 187630.6952141
If we subtract 397 from 420, we get 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

On to step 16:
When dividing 230 by 397, we get 0 with a remainder of 230.
Put 0 as the next digit of the answer. 
Result so far: 187630.6952141
Subtracting 0 from 230 leaves us with 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Our division results in 187630.6952141 with a remaining 2.3e-07.