Show inches as mixed fraction in ArchUnits

SawCut/ArchUnits.cs

@@ -60,13 +60,11 @@ namespace SawCut
         public static string FormatFromInches(double totalInches)
         {
             var feet = Math.Floor(totalInches / 12.0);
-            var inches = totalInches - (feet * 12.0);
-
-            inches = Math.Round(inches, 8);
+            var inches = Helper.ConvertToMixedFraction(totalInches - (feet * 12.0));
 
             if (feet > 0)
             {
-                return $"{feet}'-{inches}\"";
+                return $"{feet}'  {inches}\"";
             }
             else
             {

SawCut/Helper.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Drawing;
+
+namespace SawCut
+{
+    public static class Helper
+    {
+        public static string ConvertToMixedFraction(decimal input, int precision = 32)
+        {
+            // Get the whole number part
+            int wholeNumber = (int)input;
+
+            // Get the fractional part
+            decimal fractionalPart = Math.Abs(input - wholeNumber);
+
+            if (fractionalPart == 0)
+            {
+                return wholeNumber.ToString();
+            }
+
+            // Convert the fractional part to a fraction
+            int numerator = (int)(fractionalPart * precision);
+            int denominator = precision;
+
+            // Simplify the fraction
+            int gcd = GetGreatestCommonDivisor(numerator, denominator);
+            numerator /= gcd;
+            denominator /= gcd;
+
+            return $"{wholeNumber}-{numerator}/{denominator}";
+        }
+
+        public static string ConvertToMixedFraction(double input)
+        {
+            return ConvertToMixedFraction((decimal)input);
+        }
+
+        private static int GetGreatestCommonDivisor(int a, int b)
+        {
+            while (b != 0)
+            {
+                int temp = b;
+                b = a % b;
+                a = temp;
+            }
+            return Math.Abs(a);
+        }
+    }
+}

SawCut/SawCut.csproj

@@ -46,6 +46,7 @@
     <Compile Include="Bin.cs" />
     <Compile Include="BinItem.cs" />
     <Compile Include="Fraction.cs" />
+    <Compile Include="Helper.cs" />
     <Compile Include="MultiBin.cs" />
     <Compile Include="Nesting\BestFitEngine.cs" />
     <Compile Include="Nesting\IEngine.cs" />