diff --git a/src/main/java/tp/Fraction.java b/src/main/java/tp/Fraction.java
index 21f2029..3aa5dc8 100644
--- a/src/main/java/tp/Fraction.java
+++ b/src/main/java/tp/Fraction.java
@@ -154,7 +154,8 @@ public boolean isInteger() {
 	 * @return true if the current fraction is strictly less than 0
 	 */
 	public boolean isNegative() {
-		return false;
+		double result = numerator/denominator;
+		return (denominator == 0 || result < 0)? true:false;
 	}
 	
 	/**