840458 ÷ 70 
We're looking to find how many times 70 goes into 840458.

Let's proceed to step 1:
70 goes into 8 0 times with a remainder of 8.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Grab the next digit (4) from the dividend, add it to 8, then carry on: 84 / 70

Let's proceed to step 2:
When dividing 84 by 70, we get 1 with a remainder of 14.
The next digit of our result is 1. 
Result so far: 1.0
Subtract 70 from 84 to get 14.
Append the next digit (0) from the dividend to 14 and continue with: 140 / 70

Let's proceed to step 3:
70 goes into 140 2 times with a remainder of 0.
The next digit of our result is 2. 
Result so far: 12.0
Deduct 140 from 140 and we're left with 0.
Take the next digit (4) from the dividend and append it to 0, then repeat: 4 / 70

On to step 4:
70 goes into 4 0 times with a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 120.0
If we take 0 away from 4, we end up with 4.
Grab the next digit (5) from the dividend, add it to 4, then carry on: 45 / 70

On to step 5:
70 can be fit into 45 0 times, resulting in a remainder of 45.
Put 0 as the next digit of the answer. 
Result so far: 1200.0
If we subtract 0 from 45, we get 45.
Include the next digit (8) from the dividend after 45, then repeat: 458 / 70

Moving on to step 6:
When dividing 458 by 70, we get 6 with a remainder of 38.
Use 6 as the next digit of our solution. 
Result so far: 12006.0
The remainder is 38 after subtracting 420 from 458.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 7:
If we divide 380 by 70, we get 5 and a remainder of 30.
Use 5 as the next digit of our solution. 
Result so far: 12006.5
Subtract 350 from 380 to get 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Advancing to step 8:
70 can be fit into 300 4 times, resulting in a remainder of 20.
The number 4 becomes the next digit in our result. 
Result so far: 12006.54
If we subtract 280 from 300, we get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 9:
If we divide 200 by 70, we get 2 and a remainder of 60.
The number 2 becomes the next digit in our result. 
Result so far: 12006.542
The remainder is 60 after subtracting 140 from 200.
Since there are no more digits in the dividend, we add a zero to the remainder making it 600, and continue the process.

Step 10:
600 divided by 70 is 8 with a remainder of 40.
Use 8 as the next digit of our solution. 
Result so far: 12006.5428
The remainder is 40 after subtracting 560 from 600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

Let's proceed to step 11:
If we divide 400 by 70, we get 5 and a remainder of 50.
Put 5 as the next digit of the answer. 
Result so far: 12006.54285
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.

Advancing to step 12:
The number 70 fits into 500 7 times, leaving a remainder of 10.
Write down 7 as next digit of the result. 
Result so far: 12006.542857
If we take 490 away from 500, we end up 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.

Moving on to step 13:
70 goes into 100 1 times with a remainder of 30.
Write down 1 as next digit of the result. 
Result so far: 12006.5428571
If we take 70 away from 100, we end up 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.

Step 14:
When dividing 300 by 70, we get 4 with a remainder of 20.
Put 4 as the next digit of the answer. 
Result so far: 12006.54285714
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.

Our division results in 12006.54285714 with a remaining 2e-08.