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Show how to correctly write the decimal 6.25 repeating as a fraction.

2 Answers

4 votes
It is going to be 6 1/4. Hope this helps!
answered
User Ron F
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4 votes

\bf 6.25\overline{25}\qquad x=6.25\overline{25}

now... .let's multiply "x" by some power of 10, that will move the "recurring decimal" over to the left-hand-side of the decimal dot.... since is two decimals, then we'll use 100, thus


\bf x=6.25\overline{25} \\\\\\ \begin{array}{llll} 100x&=&625.25\overline{25}\\ &&619+6.25\overline{25}\\ &&619+x \end{array}\implies 100x=619+x\implies 99x=619 \\\\\\ x=\cfrac{619}{99}\implies x=6(25)/(99)
answered
User Mijamo
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