Change fraction to decimal: 4/7 and round to the nearest thousandth?

To solve this problem, all we have to remember is that fractions also mean division. Therefore this means that:

4 / 7 = 4 divided by 7

We can use either a calculator to solve for this or do the long division method of division (your choice). Now to solve this simply, I used the calculator and got the

4 / 7 = 0.571428571

However, the problem asked us to round this to the nearest thousandth. We know that the decimal places are:

0.(tenths)(hundredths)(thousandths)

So we are to round this into 3 decimal numbers which gives us:

4 / 7 = 0.571

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490