diff --git a/.DS_Store b/.DS_Store
index 48918f5..f9ed7d3 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index fcfa337..cc85b9c 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -58,18 +58,18 @@
       <file leaf-file-name="Fraction.java" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/Fraction.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="221">
-              <caret line="14" column="7" selection-start-line="14" selection-start-column="7" selection-end-line="14" selection-end-column="7" />
+            <state relative-caret-position="102">
+              <caret line="33" column="0" selection-start-line="33" selection-start-column="0" selection-end-line="33" selection-end-column="0" />
               <folding>
                 <element signature="imports" expanded="true" />
-                <element signature="e#524#525#0" expanded="true" />
-                <element signature="e#552#553#0" expanded="true" />
-                <element signature="e#585#586#0" expanded="true" />
-                <element signature="e#617#618#0" expanded="true" />
-                <element signature="e#652#653#0" expanded="true" />
-                <element signature="e#686#687#0" expanded="true" />
-                <element signature="e#1901#1902#0" expanded="true" />
-                <element signature="e#1990#1991#0" expanded="true" />
+                <element signature="e#630#631#0" expanded="true" />
+                <element signature="e#658#659#0" expanded="true" />
+                <element signature="e#780#781#0" expanded="true" />
+                <element signature="e#812#813#0" expanded="true" />
+                <element signature="e#938#939#0" expanded="true" />
+                <element signature="e#972#973#0" expanded="true" />
+                <element signature="e#2259#2260#0" expanded="true" />
+                <element signature="e#2348#2349#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -537,18 +537,18 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/src/Fraction.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="221">
-          <caret line="14" column="7" selection-start-line="14" selection-start-column="7" selection-end-line="14" selection-end-column="7" />
+        <state relative-caret-position="102">
+          <caret line="33" column="0" selection-start-line="33" selection-start-column="0" selection-end-line="33" selection-end-column="0" />
           <folding>
             <element signature="imports" expanded="true" />
-            <element signature="e#524#525#0" expanded="true" />
-            <element signature="e#552#553#0" expanded="true" />
-            <element signature="e#585#586#0" expanded="true" />
-            <element signature="e#617#618#0" expanded="true" />
-            <element signature="e#652#653#0" expanded="true" />
-            <element signature="e#686#687#0" expanded="true" />
-            <element signature="e#1901#1902#0" expanded="true" />
-            <element signature="e#1990#1991#0" expanded="true" />
+            <element signature="e#630#631#0" expanded="true" />
+            <element signature="e#658#659#0" expanded="true" />
+            <element signature="e#780#781#0" expanded="true" />
+            <element signature="e#812#813#0" expanded="true" />
+            <element signature="e#938#939#0" expanded="true" />
+            <element signature="e#972#973#0" expanded="true" />
+            <element signature="e#2259#2260#0" expanded="true" />
+            <element signature="e#2348#2349#0" expanded="true" />
           </folding>
         </state>
       </provider>
diff --git a/src/Fraction.java b/src/Fraction.java
index 6233ae4..e58465f 100644
--- a/src/Fraction.java
+++ b/src/Fraction.java
@@ -12,10 +12,10 @@ public class Fraction {
 
     /**
      * Public constructor
-     * 
+     *
      * @param w The whole part of this fraction
      * @param n The numerator of this fraction
-     * @param d The denominator
+     * @param d The denominator of this fraction
      */
     public Fraction(int w, int n, int d) {
 
@@ -24,18 +24,34 @@ public Fraction(int w, int n, int d) {
         setdenominator(d);
     }
 
+    /**
+     *
+     * @return an int representing the whole part of this fraction
+     */
     public int getWhole() {
         return whole;
     }
 
+    /**
+     *
+     * @return an int representing the numerator of this fraction
+     */
     public int getNumerator() {
         return numerator;
     }
 
+    /**
+     *
+     * @return an int representing the denominator of this fraction
+     */
     public int getdenominator() {
         return denominator;
     }
 
+    /**
+     *
+     * @param d the new value of the denominator
+     */
     public void setdenominator(int d) {
 
         if (d != 0) {