Let's divide 42930751 by 306
We want to divide 42930751 by 306.

Going ahead to step 1:
The number 306 fits into 4 0 times, leaving a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 4 to get 4.
Append the next digit (2) from the dividend to 4 and continue with: 42 / 306

Going ahead to step 2:
When dividing 42 by 306, we get 0 with a remainder of 42.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 42 after subtracting 0 from 42.
Append the next digit (9) from the dividend to 42 and continue with: 429 / 306

On to step 3:
429 divided by 306 is 1 with a remainder of 123.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
Subtract 306 from 429 to get 123.
Bring next digit (3) of the dividend behind the 123 and repeat the process: 1233 / 306

On to step 4:
306 can be fit into 1233 4 times, resulting in a remainder of 9.
The next digit of our result is 4. 
Result so far: 14.0
If we subtract 1224 from 1233, we get 9.
Take the next digit (0) from the dividend and append it to 9, then repeat: 90 / 306

Advancing to step 5:
90 divided by 306 is 0 with a remainder of 90.
Record the quotient 0 as the next digit in the result. 
Result so far: 140.0
Subtracting 0 from 90 leaves us with 90.
Grab the next digit (7) from the dividend, add it to 90, then carry on: 907 / 306

Let's proceed to step 6:
306 goes into 907 2 times with a remainder of 295.
Put 2 as the next digit of the answer. 
Result so far: 1402.0
If we take 612 away from 907, we end up with 295.
Fetch the next digit (5) from the dividend, attach it to 295 and continue: 2955 / 306

Going ahead to step 7:
2955 divided by 306 is 9 with a remainder of 201.
Use 9 as the next digit of our solution. 
Result so far: 14029.0
If we take 2754 away from 2955, we end up with 201.
Grab the next digit (1) from the dividend, add it to 201, then carry on: 2011 / 306

Let's proceed to step 8:
When dividing 2011 by 306, we get 6 with a remainder of 175.
Put 6 as the next digit of the answer. 
Result so far: 140296.0
The remainder is 175 after subtracting 1836 from 2011.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1750, and continue the process.

Going ahead to step 9:
306 goes into 1750 5 times with a remainder of 220.
Write down 5 as next digit of the result. 
Result so far: 140296.5
Subtract 1530 from 1750 to get 220.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2200, and continue the process.

Going ahead to step 10:
306 goes into 2200 7 times with a remainder of 58.
Record the quotient 7 as the next digit in the result. 
Result so far: 140296.57
Subtract 2142 from 2200 to get 58.
Since there are no more digits in the dividend, we add a zero to the remainder making it 580, and continue the process.

Step 11:
The number 306 fits into 580 1 times, leaving a remainder of 274.
The number 1 becomes the next digit in our result. 
Result so far: 140296.571
Subtract 306 from 580 to get 274.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2740, and continue the process.

Advancing to step 12:
When dividing 2740 by 306, we get 8 with a remainder of 292.
The number 8 becomes the next digit in our result. 
Result so far: 140296.5718
Subtracting 2448 from 2740 leaves us with 292.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2920, and continue the process.

Step 13:
If we divide 2920 by 306, we get 9 and a remainder of 166.
Use 9 as the next digit of our solution. 
Result so far: 140296.57189
Subtract 2754 from 2920 to get 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

Advancing to step 14:
The number 306 fits into 1660 5 times, leaving a remainder of 130.
The next digit of our result is 5. 
Result so far: 140296.571895
Subtracting 1530 from 1660 leaves us with 130.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1300, and continue the process.

On to step 15:
306 goes into 1300 4 times with a remainder of 76.
The next digit of our result is 4. 
Result so far: 140296.5718954
Subtract 1224 from 1300 to get 76.
Since there are no more digits in the dividend, we add a zero to the remainder making it 760, and continue the process.

Going ahead to step 16:
The number 306 fits into 760 2 times, leaving a remainder of 148.
Record the quotient 2 as the next digit in the result. 
Result so far: 140296.57189542
If we subtract 612 from 760, we get 148.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1480, and continue the process.

In conclusion, the division gives 140296.57189542 with a balance of 1.48e-07.