We divide 91427738 by 646
We're looking to find how many times 646 goes into 91427738.

Step 1:
When dividing 9 by 646, we get 0 with a remainder of 9.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Include the next digit (1) from the dividend after 9, then repeat: 91 / 646

Moving on to step 2:
91 divided by 646 is 0 with a remainder of 91.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 91, we end up with 91.
Fetch the next digit (4) from the dividend, attach it to 91 and continue: 914 / 646

Going ahead to step 3:
646 can be fit into 914 1 times, resulting in a remainder of 268.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Subtracting 646 from 914 leaves us with 268.
Bring next digit (2) of the dividend behind the 268 and repeat the process: 2682 / 646

Let's proceed to step 4:
646 can be fit into 2682 4 times, resulting in a remainder of 98.
Put 4 as the next digit of the answer. 
Result so far: 14.0
If we subtract 2584 from 2682, we get 98.
Include the next digit (7) from the dividend after 98, then repeat: 987 / 646

On to step 5:
The number 646 fits into 987 1 times, leaving a remainder of 341.
The next digit of our result is 1. 
Result so far: 141.0
Subtracting 646 from 987 leaves us with 341.
Append the next digit (7) from the dividend to 341 and continue with: 3417 / 646

Moving on to step 6:
3417 divided by 646 is 5 with a remainder of 187.
Use 5 as the next digit of our solution. 
Result so far: 1415.0
Subtracting 3230 from 3417 leaves us with 187.
Take the next digit (3) from the dividend and append it to 187, then repeat: 1873 / 646

Moving on to step 7:
The number 646 fits into 1873 2 times, leaving a remainder of 581.
Record the quotient 2 as the next digit in the result. 
Result so far: 14152.0
Deduct 1292 from 1873 and we're left with 581.
Append the next digit (8) from the dividend to 581 and continue with: 5818 / 646

Let's proceed to step 8:
When dividing 5818 by 646, we get 9 with a remainder of 4.
Put 9 as the next digit of the answer. 
Result so far: 141529.0
Subtracting 5814 from 5818 leaves us with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 9:
40 divided by 646 is 0 with a remainder of 40.
The next digit of our result is 0. 
Result so far: 141529.0
The remainder is 40 after subtracting 0 from 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Moving on to step 10:
646 can be fit into 400 0 times, resulting in a remainder of 400.
The next digit of our result is 0. 
Result so far: 141529.0
If we subtract 0 from 400, we get 400.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4000, and continue the process.

The quotient of the division is 141529.0, and the remainder is 0.4.