60938398 divided by 161 
The aim is to understand the frequency of 161 in 60938398.

On to step 1:
161 goes into 6 0 times with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 6 to get 6.
Fetch the next digit (0) from the dividend, attach it to 6 and continue: 60 / 161

Advancing to step 2:
161 can be fit into 60 0 times, resulting in a remainder of 60.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 60, we end up with 60.
Bring next digit (9) of the dividend behind the 60 and repeat the process: 609 / 161

Going ahead to step 3:
When dividing 609 by 161, we get 3 with a remainder of 126.
Put 3 as the next digit of the answer. 
Result so far: 3.0
If we subtract 483 from 609, we get 126.
Append the next digit (3) from the dividend to 126 and continue with: 1263 / 161

Moving on to step 4:
161 can be fit into 1263 7 times, resulting in a remainder of 136.
Put 7 as the next digit of the answer. 
Result so far: 37.0
If we take 1127 away from 1263, we end up with 136.
Fetch the next digit (8) from the dividend, attach it to 136 and continue: 1368 / 161

Moving on to step 5:
1368 divided by 161 is 8 with a remainder of 80.
The number 8 becomes the next digit in our result. 
Result so far: 378.0
Deduct 1288 from 1368 and we're left with 80.
Grab the next digit (3) from the dividend, add it to 80, then carry on: 803 / 161

Moving on to step 6:
When dividing 803 by 161, we get 4 with a remainder of 159.
Write down 4 as next digit of the result. 
Result so far: 3784.0
Subtracting 644 from 803 leaves us with 159.
Bring next digit (9) of the dividend behind the 159 and repeat the process: 1599 / 161

Step 7:
When dividing 1599 by 161, we get 9 with a remainder of 150.
The number 9 becomes the next digit in our result. 
Result so far: 37849.0
Deduct 1449 from 1599 and we're left with 150.
Bring next digit (8) of the dividend behind the 150 and repeat the process: 1508 / 161

On to step 8:
1508 divided by 161 is 9 with a remainder of 59.
Put 9 as the next digit of the answer. 
Result so far: 378499.0
The remainder is 59 after subtracting 1449 from 1508.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Let's proceed to step 9:
If we divide 590 by 161, we get 3 and a remainder of 107.
Write down 3 as next digit of the result. 
Result so far: 378499.3
If we take 483 away from 590, we end up with 107.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1070, and continue the process.

Let's proceed to step 10:
When dividing 1070 by 161, we get 6 with a remainder of 104.
Record the quotient 6 as the next digit in the result. 
Result so far: 378499.36
Subtract 966 from 1070 to get 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

Going ahead to step 11:
The number 161 fits into 1040 6 times, leaving a remainder of 74.
The number 6 becomes the next digit in our result. 
Result so far: 378499.366
If we take 966 away from 1040, we end up with 74.
Since there are no more digits in the dividend, we add a zero to the remainder making it 740, and continue the process.

After the division, we end up with 378499.366 and a remainder of 0.0074.