--- trunk/src/compiler/common/rational.sml	2010/06/23 22:01:49	115
+++ trunk/src/compiler/common/rational.sml	2010/06/24 13:43:16	116
@@ -78,7 +78,7 @@
 	  val a2 = d1 div d
 	  val lcm = a1 * d1
 	  in
-	    mkRat (a2*n1 + a1*n1, lcm)
+	    mkRat (a1*n1 + a2*n2, lcm)
 	  end
 
     fun sub (R{num=n1, denom=d1}, R{num=n2, denom=d2}) = let
@@ -87,7 +87,7 @@
 	  val a2 = d1 div d
 	  val lcm = a1 * d1
 	  in
-	    mkRat (a2*n1 - a1*n1, lcm)
+	    mkRat (a1*n1 - a2*n2, lcm)
 	  end
 
     fun mul (R{num=n1, denom=d1}, R{num=n2, denom=d2}) =

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	<div class="error">does not end with &lt;/html&gt; tag</div>
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	<div class="info">The output has ended thus: +	    mkRat (a1*n1 - a2*n2, lcm)
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     fun mul (R{num=n1, denom=d1}, R{num=n2, denom=d2}) =</div>
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