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  <channel>
    <title>MaplePrimes - answers and comments on Question, fractions</title>
    <link>http://www.mapleprimes.com/questions/40820-Fractions</link>
    <language>en-us</language>
    <copyright>2026 Maplesoft, A Division of Waterloo Maple Inc.</copyright>
    <generator>Maplesoft Document System</generator>
    <lastBuildDate>Thu, 11 Jun 2026 14:30:10 GMT</lastBuildDate>
    <pubDate>Thu, 11 Jun 2026 14:30:10 GMT</pubDate>
    <itunes:subtitle />
    <itunes:summary />
    <description>The latest answers and comments added to the Question, fractions</description>
    <image>
      <url>http://www.mapleprimes.com/images/mapleprimeswhite.jpg</url>
      <title>MaplePrimes - answers and comments on Question, fractions</title>
      <link>http://www.mapleprimes.com/questions/40820-Fractions</link>
    </image>
    <item>
      <title>question?</title>
      <link>http://www.mapleprimes.com/questions/40820-Fractions?ref=Feed:MaplePrimes:fractions:Comments#answer75589</link>
      <itunes:summary>Rewrite both fractions with a denominator of 18*19.

1/19 = (1/19)*1 = (1/19)*(18/18) = (1*18)/(19*18)

-5/18 = (-5/18)*1 = (-5/18)*(19/19) = (-5*19)/(18*19)

( 1*18 -5*19 )/(18*19)

acer</itunes:summary>
      <description>Rewrite both fractions with a denominator of 18*19.

1/19 = (1/19)*1 = (1/19)*(18/18) = (1*18)/(19*18)

-5/18 = (-5/18)*1 = (-5/18)*(19/19) = (-5*19)/(18*19)

( 1*18 -5*19 )/(18*19)

acer</description>
      <guid>75589</guid>
      <pubDate>Thu, 20 Sep 2007 09:31:38 Z</pubDate>
      <itunes:author>acer</itunes:author>
      <author>acer</author>
    </item>
    <item>
      <title>Not sure what the question</title>
      <link>http://www.mapleprimes.com/questions/40820-Fractions?ref=Feed:MaplePrimes:fractions:Comments#answer75550</link>
      <itunes:summary>Not sure what the question is, but if you want an exact result just enter the fractions and hit the 'enter' key. You can also get numerical approximation to an arbitrary number of digits.
&lt;code&gt;
&gt; 1/19-5/18;
                                     -77
                                     ---
                                     342
&gt; evalf(%);
                                -0.2251461988
&gt; evalf[30](`%%`);
                      -0.225146198830409356725146198830
&lt;/code&gt;
-- 
Jean-Marc</itunes:summary>
      <description>Not sure what the question is, but if you want an exact result just enter the fractions and hit the 'enter' key. You can also get numerical approximation to an arbitrary number of digits.
&lt;code&gt;
&gt; 1/19-5/18;
                                     -77
                                     ---
                                     342
&gt; evalf(%);
                                -0.2251461988
&gt; evalf[30](`%%`);
                      -0.225146198830409356725146198830
&lt;/code&gt;
-- 
Jean-Marc</description>
      <guid>75550</guid>
      <pubDate>Mon, 24 Sep 2007 17:01:58 Z</pubDate>
      <itunes:author>gulliet</itunes:author>
      <author>gulliet</author>
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