math fractions and decimals

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How do you can you change a decimal to a fraction when the fraction looks like this 0.43 3/4 or .16 2/3 .How can I change this to a fraction?I tried dividing it by 100 but it doesn't give me the right answer.

  • math fractions and decimals -

    These fractions/decimals remind me of what I see on the big gas stations signs, telling the prices of their gasoline. $3.89 9/10 = $3.899

    So ...

    0.43 3/4 = 0.4375
    0.16 2/3 = 0.1666666666666666666666666667

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