We're dividing 385570 by 49 
The aim is to understand the frequency of 49 in 385570.

Step 1:
If we divide 3 by 49, we get 0 and a remainder of 3.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (8) from the dividend to 3 and continue with: 38 / 49

Moving on to step 2:
If we divide 38 by 49, we get 0 and a remainder of 38.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 38 after subtracting 0 from 38.
Grab the next digit (5) from the dividend, add it to 38, then carry on: 385 / 49

Advancing to step 3:
If we divide 385 by 49, we get 7 and a remainder of 42.
Record the quotient 7 as the next digit in the result. 
Result so far: 7.0
Deduct 343 from 385 and we're left with 42.
Fetch the next digit (5) from the dividend, attach it to 42 and continue: 425 / 49

Going ahead to step 4:
When dividing 425 by 49, we get 8 with a remainder of 33.
Put 8 as the next digit of the answer. 
Result so far: 78.0
Subtracting 392 from 425 leaves us with 33.
Append the next digit (7) from the dividend to 33 and continue with: 337 / 49

Moving on to step 5:
49 goes into 337 6 times with a remainder of 43.
Use 6 as the next digit of our solution. 
Result so far: 786.0
Deduct 294 from 337 and we're left with 43.
Append the next digit (0) from the dividend to 43 and continue with: 430 / 49

Let's proceed to step 6:
When dividing 430 by 49, we get 8 with a remainder of 38.
The number 8 becomes the next digit in our result. 
Result so far: 7868.0
Deduct 392 from 430 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Let's proceed to step 7:
49 goes into 380 7 times with a remainder of 37.
Record the quotient 7 as the next digit in the result. 
Result so far: 7868.7
Subtracting 343 from 380 leaves us with 37.
Since there are no more digits in the dividend, we add a zero to the remainder making it 370, and continue the process.

Advancing to step 8:
If we divide 370 by 49, we get 7 and a remainder of 27.
Write down 7 as next digit of the result. 
Result so far: 7868.77
Subtract 343 from 370 to get 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

The quotient of the division is 7868.77, and the remainder is 0.027.