diff --git a/src/TensorFlowNET.Core/APIs/tf.math.cs b/src/TensorFlowNET.Core/APIs/tf.math.cs
index 24d382ec..741b4ccb 100644
--- a/src/TensorFlowNET.Core/APIs/tf.math.cs
+++ b/src/TensorFlowNET.Core/APIs/tf.math.cs
@@ -11,6 +11,11 @@ namespace Tensorflow
             return gen_math_ops.add(a, b);
         }
 
+        public static unsafe Tensor sub(Tensor a, Tensor b)
+        {
+            return gen_math_ops.sub(a, b);
+        }
+
         public static unsafe Tensor add(Tensor a, RefVariable b)
         {
             return gen_math_ops.add(a, b);
diff --git a/src/TensorFlowNET.Core/Operations/gen_math_ops.cs b/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
index f1706311..938c954e 100644
--- a/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
+++ b/src/TensorFlowNET.Core/Operations/gen_math_ops.cs
@@ -9,11 +9,11 @@ namespace Tensorflow
     {
         public static OpDefLibrary _op_def_lib = new OpDefLibrary();
 
-        public static Tensor add(Tensor a, Tensor b)
+        public static Tensor add(Tensor x, Tensor y)
         {
             var keywords = new Dictionary<string, object>();
-            keywords.Add("x", a);
-            keywords.Add("y", b);
+            keywords.Add("x", x);
+            keywords.Add("y", y);
 
             var _op = _op_def_lib._apply_op_helper("Add", name: "add", keywords: keywords);
 
@@ -31,6 +31,17 @@ namespace Tensorflow
             return new Tensor(_op, 0, _op.OutputType(0));
         }
 
+        public static Tensor sub(Tensor x, Tensor y)
+        {
+            var keywords = new Dictionary<string, object>();
+            keywords.Add("x", x);
+            keywords.Add("y", y);
+
+            var _op = _op_def_lib._apply_op_helper("Sub", name: "sub", keywords: keywords);
+
+            return new Tensor(_op, 0, _op.OutputType(0));
+        }
+
         public static Tensor mul(Tensor x, Tensor y)
         {
             var keywords = new Dictionary<string, object>();