diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -144,6 +144,8 @@
     if (Previous.Previous) {
       if (Previous.Previous->Tok.isLiteral())
         return false;
+      if (Previous.Previous->is(tok::r_brace))
+        return false;
       if (Previous.Previous->is(tok::r_paren) && Contexts.size() > 1 &&
           (!Previous.Previous->MatchingParen ||
            !Previous.Previous->MatchingParen->is(
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -10679,6 +10679,7 @@
   // Not template parameters.
   verifyFormat("return a < b && c > d;");
   verifyFormat("a < 0 ? b : a > 0 ? c : d;");
+  verifyFormat("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;");
   verifyFormat("void f() {\n"
                "  while (a < b && c > d) {\n"
                "  }\n"
diff --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -480,6 +480,23 @@
   EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator);
 }
 
+TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) {
+  auto Tokens = annotate("return a < b && c > d;");
+  ASSERT_EQ(Tokens.size(), 10u) << Tokens;
+  EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator);
+  EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator);
+
+  Tokens = annotate("a < 0 ? b : a > 0 ? c : d;");
+  ASSERT_EQ(Tokens.size(), 15u) << Tokens;
+  EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator);
+  EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator);
+
+  Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;");
+  ASSERT_EQ(Tokens.size(), 27u) << Tokens;
+  EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator);
+  EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator);
+}
+
 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) {
   FormatStyle Style = getLLVMStyle();
   Style.WhitespaceSensitiveMacros.push_back("FOO");