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 November 18th, 2009, 01:42 PM #1 Newbie   Joined: Sep 2009 Posts: 11 Thanks: 0 Decimal To Fraction To Decimal 1/7 in decimal form equals 0.14285714285714285. How do I convert that decimal back to 1/7
November 18th, 2009, 02:00 PM   #2
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Re: Decimal To Fraction To Decimal

Quote:
 Originally Posted by demipaul 1/7 in decimal form equals 0.14285714285714285. How do I convert that decimal back to 1/7
1/7 is an infinite decimal, not finite as you have stated.

 November 19th, 2009, 05:42 AM #3 Senior Member   Joined: Jun 2009 Posts: 150 Thanks: 0 Re: Decimal To Fraction To Decimal A = 0.14285714285714285... Move the decimal until it lines up with itself: A/10^6 = 0.00000014285714285... subtract: A (1-1/10^6) = 0.142857000000000... solve for A A = 142857/999999 = 1/7

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