61898 ÷ 40 
The aim is to understand the frequency of 40 in 61898.

Advancing to step 1:
When dividing 6 by 40, we get 0 with a remainder of 6.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 6 leaves us with 6.
Fetch the next digit (1) from the dividend, attach it to 6 and continue: 61 / 40

Going ahead to step 2:
If we divide 61 by 40, we get 1 and a remainder of 21.
Write down 1 as next digit of the result. 
Result so far: 1.0
Deduct 40 from 61 and we're left with 21.
Take the next digit (8) from the dividend and append it to 21, then repeat: 218 / 40

Going ahead to step 3:
When dividing 218 by 40, we get 5 with a remainder of 18.
Write down 5 as next digit of the result. 
Result so far: 15.0
Subtract 200 from 218 to get 18.
Fetch the next digit (9) from the dividend, attach it to 18 and continue: 189 / 40

Step 4:
The number 40 fits into 189 4 times, leaving a remainder of 29.
Use 4 as the next digit of our solution. 
Result so far: 154.0
The remainder is 29 after subtracting 160 from 189.
Take the next digit (8) from the dividend and append it to 29, then repeat: 298 / 40

Advancing to step 5:
If we divide 298 by 40, we get 7 and a remainder of 18.
Use 7 as the next digit of our solution. 
Result so far: 1547.0
Subtracting 280 from 298 leaves us with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Advancing to step 6:
If we divide 180 by 40, we get 4 and a remainder of 20.
Record the quotient 4 as the next digit in the result. 
Result so far: 1547.4
Subtracting 160 from 180 leaves us with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Advancing to step 7:
If we divide 200 by 40, we get 5 and a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 1547.45
Subtract 200 from 200 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 8:
The number 40 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 1547.45
If we subtract 0 from 0, we get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Moving on to step 9:
The number 40 fits into 0 0 times, leaving a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 1547.45
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final outcome is 1547.45, with a leftover of 0.0.