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Fractions <--> Decimals

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How to Change Fractions to Decimals, Decimals to Fractions, a selection from the Dr. Math archives.

Fractions, Decimals, Percentages - Dr. Math FAQ
How do you convert decimals and percentages to fractions and back?

Expressing a Fraction as a Decimal
How do you write 3/8 as a decimal?

Converting Decimals to Fractions
How do you convert decimals to fractions?

Converting Fractions and Decimals
How do you convert fractions to decimals? How do you convert decimals to fractions?

Deriving Fractions from Decimals
I don't understand how to get the fraction for a decimal like 12.5% = 0.125 = 1/8 or 66.7% = 0.667 = 2/3.

Converting Repeating Decimals to Fractions

Converting Repeating Decimals to Fractions
How do I make a decimal like .063490634906... into a fraction?

Converting Repeating Decimals to Fractions
Change the sum of the decimals to a fraction for 0.77777......., 0.4; change each decimal to a fraction and add the fraction; compare the answers.

Return to
Elementary Fractions and Decimals
Middle School Fractions and Percentages
Index of Selected Answers to Common Questions

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