XP Math - Forums - View Single Post - i dont knw how to write the decimals as comon fractoins in simplest form?

**Lisasmith111** · 12-20-2010

Quote:

Originally Posted by Mr. Hui

I wonder what happens when you try to simplify 0.999... ?

Mr Hui,

I think this one becomes 1 as the following illustrates:-

let x = 0.999 and 10x = 9.999

10x - x = 9
9x = 9
x = 1

0.999 is approx = 1 (I guess there has to be some rounding at due to the nature of decimals, whereas fractions can be more exact.