diff --git a/test/test_symbolic.py b/test/test_symbolic.py
index 53158d668..727fdec03 100644
--- a/test/test_symbolic.py
+++ b/test/test_symbolic.py
@@ -73,8 +73,11 @@ class TestSymbolic(unittest.TestCase):
 
   def test_mod_factor(self):
     # this is technically wrong, if b is 0 the output will be negative
-    self.helper_test_variable(Variable.sum([Variable.num(-29), Variable("a", 0, 10), Variable("b", 0, 10)*28]) % 28, -1, 9, "((-1+a)%28)")
-    self.helper_test_variable(Variable.sum([Variable.num(-29), Variable("a", 0, 100), Variable("b", 0, 10)*28]) % 28, -1, 27, "((-1+a)%28)")
+    self.helper_test_variable(Variable.sum([Variable.num(-29), Variable("a", 0, 10), Variable("b", 0, 10)*28]) % 28, -1, 9, "((a+-1)%28)")
+    self.helper_test_variable(Variable.sum([Variable.num(-29), Variable("a", 0, 100), Variable("b", 0, 10)*28]) % 28, -1, 27, "((a+-1)%28)")
+
+  def test_sum_combine_num(self):
+    self.helper_test_variable(Variable.sum([Variable.num(-29), Variable("a", 0, 10), Variable.num(23)]), -6, 4, "(a+-6)")
 
   def test_div_factor(self):
     # TODO: this isn't right
diff --git a/tinygrad/shape/symbolic.py b/tinygrad/shape/symbolic.py
index 942333465..1964fd7d7 100644
--- a/tinygrad/shape/symbolic.py
+++ b/tinygrad/shape/symbolic.py
@@ -65,6 +65,10 @@ class Node:
 
   @staticmethod
   def sum(nodes:List[Node]) -> Node:
+    nodes, num_nodes = partition(nodes, lambda x: not isinstance(x, NumNode))
+    num_sum = sum([x.b for x in num_nodes])
+    if num_sum != 0: nodes.append(NumNode(num_sum))
+
     if any([isinstance(x, SumNode) for x in nodes]):
       nodes, sum_nodes = partition(nodes, lambda x: not isinstance(x, SumNode))
       for x in sum_nodes: nodes += x.nodes