diff --git a/projects/Lang/22/org/apache/commons/lang3/math/Fraction.java b/projects/Lang/22/org/apache/commons/lang3/math/Fraction.java
index b36a156..bf15a49 100644
--- a/projects/Lang/22/org/apache/commons/lang3/math/Fraction.java
+++ b/projects/Lang/22/org/apache/commons/lang3/math/Fraction.java
@@ -580,8 +580,14 @@ public Fraction pow(int power) {
      */
     private static int greatestCommonDivisor(int u, int v) {
         // From Commons Math:
+        if ((u == 0) || (v == 0)) {
+            if ((u == Integer.MIN_VALUE) || (v == Integer.MIN_VALUE)) {
+                throw new ArithmeticException("overflow: gcd is 2^31");
+            }
+            return Math.abs(u) + Math.abs(v);
+        }
         //if either operand is abs 1, return 1:
-        if (Math.abs(u) <= 1 || Math.abs(v) <= 1) {
+        if (Math.abs(u) == 1 || Math.abs(v) == 1) {
             return 1;
         }
         // keep u and v negative, as negative integers range down to