851459 ÷ 66 
Let's see how many times 66 fits into 851459.

On to step 1:
66 goes into 8 0 times with a remainder of 8.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we subtract 0 from 8, we get 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 66

Moving on to step 2:
66 can be fit into 85 1 times, resulting in a remainder of 19.
The next digit of our result is 1. 
Result so far: 1.0
Deduct 66 from 85 and we're left with 19.
Fetch the next digit (1) from the dividend, attach it to 19 and continue: 191 / 66

Going ahead to step 3:
191 divided by 66 is 2 with a remainder of 59.
Use 2 as the next digit of our solution. 
Result so far: 12.0
Subtracting 132 from 191 leaves us with 59.
Take the next digit (4) from the dividend and append it to 59, then repeat: 594 / 66

Advancing to step 4:
594 divided by 66 is 9 with a remainder of 0.
The number 9 becomes the next digit in our result. 
Result so far: 129.0
The remainder is 0 after subtracting 594 from 594.
Take the next digit (5) from the dividend and append it to 0, then repeat: 5 / 66

Advancing to step 5:
66 can be fit into 5 0 times, resulting in a remainder of 5.
The next digit of our result is 0. 
Result so far: 1290.0
Subtract 0 from 5 to get 5.
Append the next digit (9) from the dividend to 5 and continue with: 59 / 66

On to step 6:
66 can be fit into 59 0 times, resulting in a remainder of 59.
Put 0 as the next digit of the answer. 
Result so far: 12900.0
Subtract 0 from 59 to get 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

Advancing to step 7:
When dividing 590 by 66, we get 8 with a remainder of 62.
Record the quotient 8 as the next digit in the result. 
Result so far: 12900.8
Deduct 528 from 590 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 8:
When dividing 620 by 66, we get 9 with a remainder of 26.
The number 9 becomes the next digit in our result. 
Result so far: 12900.89
Deduct 594 from 620 and we're left with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 9:
260 divided by 66 is 3 with a remainder of 62.
Put 3 as the next digit of the answer. 
Result so far: 12900.893
Deduct 198 from 260 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Let's proceed to step 10:
66 can be fit into 620 9 times, resulting in a remainder of 26.
The number 9 becomes the next digit in our result. 
Result so far: 12900.8939
The remainder is 26 after subtracting 594 from 620.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Step 11:
If we divide 260 by 66, we get 3 and a remainder of 62.
Record the quotient 3 as the next digit in the result. 
Result so far: 12900.89393
Subtract 198 from 260 to get 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

On to step 12:
66 goes into 620 9 times with a remainder of 26.
Put 9 as the next digit of the answer. 
Result so far: 12900.893939
Subtract 594 from 620 to get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

On to step 13:
66 can be fit into 260 3 times, resulting in a remainder of 62.
Put 3 as the next digit of the answer. 
Result so far: 12900.8939393
Deduct 198 from 260 and we're left with 62.
Since there are no more digits in the dividend, we add a zero to the remainder making it 620, and continue the process.

Going ahead to step 14:
66 goes into 620 9 times with a remainder of 26.
Write down 9 as next digit of the result. 
Result so far: 12900.89393939
If we take 594 away from 620, we end up with 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

After the division, we end up with 12900.89393939 and a remainder of 2.6e-08.