639070 ÷ 70 
We're looking to find how many times 70 goes into 639070.

Moving on to step 1:
6 divided by 70 is 0 with a remainder of 6.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 6, we get 6.
Append the next digit (3) from the dividend to 6 and continue with: 63 / 70

Let's proceed to step 2:
70 can be fit into 63 0 times, resulting in a remainder of 63.
Put 0 as the next digit of the answer. 
Result so far: 0.0
The remainder is 63 after subtracting 0 from 63.
Include the next digit (9) from the dividend after 63, then repeat: 639 / 70

Moving on to step 3:
70 can be fit into 639 9 times, resulting in a remainder of 9.
The next digit of our result is 9. 
Result so far: 9.0
The remainder is 9 after subtracting 630 from 639.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 70

Going ahead to step 4:
70 goes into 90 1 times with a remainder of 20.
The number 1 becomes the next digit in our result. 
Result so far: 91.0
If we subtract 70 from 90, we get 20.
Take the next digit (7) from the dividend and append it to 20, then repeat: 207 / 70

Let's proceed to step 5:
70 goes into 207 2 times with a remainder of 67.
The number 2 becomes the next digit in our result. 
Result so far: 912.0
Subtracting 140 from 207 leaves us with 67.
Bring next digit (0) of the dividend behind the 67 and repeat the process: 670 / 70

Advancing to step 6:
670 divided by 70 is 9 with a remainder of 40.
The number 9 becomes the next digit in our result. 
Result so far: 9129.0
Subtract 630 from 670 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Advancing to step 7:
The number 70 fits into 400 5 times, leaving a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 9129.5
Subtract 350 from 400 to get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Advancing to step 8:
70 can be fit into 500 7 times, resulting in a remainder of 10.
Record the quotient 7 as the next digit in the result. 
Result so far: 9129.57
Deduct 490 from 500 and we're left with 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 9:
When dividing 100 by 70, we get 1 with a remainder of 30.
Put 1 as the next digit of the answer. 
Result so far: 9129.571
Deduct 70 from 100 and we're left with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

On to step 10:
70 can be fit into 300 4 times, resulting in a remainder of 20.
Put 4 as the next digit of the answer. 
Result so far: 9129.5714
Subtracting 280 from 300 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.

Moving on to step 11:
70 goes into 200 2 times with a remainder of 60.
Use 2 as the next digit of our solution. 
Result so far: 9129.57142
If we subtract 140 from 200, we get 60.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 12:
70 goes into 600 8 times with a remainder of 40.
Use 8 as the next digit of our solution. 
Result so far: 9129.571428
Subtract 560 from 600 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Going ahead to step 13:
The number 70 fits into 400 5 times, leaving a remainder of 50.
The next digit of our result is 5. 
Result so far: 9129.5714285
If we subtract 350 from 400, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Step 14:
500 divided by 70 is 7 with a remainder of 10.
Put 7 as the next digit of the answer. 
Result so far: 9129.57142857
Subtract 490 from 500 to get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

The quotient of the division is 9129.57142857, and the remainder is 1e-08.