There is really only one way to convert decimals to fractions, and I think that is the way that most people use. The way I do it is to first just read the decimal in my head. Then you can just write that in fraction form. For example, lets say you have the fraction .9; you would read this as nine tenths. When you read that, it is pretty obvious that the fraction is 9/10. You can do this with any decimal no matter how long it is.
Here's another example of converting decimals to fractions: the decimal is .1329. How would you convert that? Well all you have to do is read it: one thousand three hundred twenty-nine ten-thousandths. It is kind of long and confusing, but still easy to understand that the fraction is 1329/10,000. Whenever you add another place to the decimal, you add a zero to the denominator of the fraction. That is how you convert decimals to fractions.
Here's another example of converting decimals to fractions: the decimal is .1329. How would you convert that? Well all you have to do is read it: one thousand three hundred twenty-nine ten-thousandths. It is kind of long and confusing, but still easy to understand that the fraction is 1329/10,000. Whenever you add another place to the decimal, you add a zero to the denominator of the fraction. That is how you convert decimals to fractions.
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