diff --git a/lib/prism/node_ext.rb b/lib/prism/node_ext.rb
index 8c09632345..974052e84b 100644
--- a/lib/prism/node_ext.rb
+++ b/lib/prism/node_ext.rb
@@ -81,7 +81,7 @@ module Prism
   class RationalNode < Node
     # Returns the value of the node as a Ruby Rational.
     def value
-      Rational(slice.chomp("r"))
+      Rational(numeric.is_a?(IntegerNode) && !numeric.decimal? ? numeric.value : slice.chomp("r"))
     end
   end
 
diff --git a/test/prism/ruby_api_test.rb b/test/prism/ruby_api_test.rb
index 7bb80b481a..cf7ea437cf 100644
--- a/test/prism/ruby_api_test.rb
+++ b/test/prism/ruby_api_test.rb
@@ -57,6 +57,8 @@ module Prism
       assert_equal 0.5r, parse_expression("0.5r").value
       assert_equal 42ri, parse_expression("42ri").value
       assert_equal 0.5ri, parse_expression("0.5ri").value
+      assert_equal 0xFFr, parse_expression("0xFFr").value
+      assert_equal 0xFFri, parse_expression("0xFFri").value
     end
 
     def test_location_join