diff --git a/src/PIL/JpegImagePlugin.py b/src/PIL/JpegImagePlugin.py
index 0fcb17e0919..530f65cc149 100644
--- a/src/PIL/JpegImagePlugin.py
+++ b/src/PIL/JpegImagePlugin.py
@@ -520,27 +520,22 @@ def _read_dpi_from_exif(self) -> None:
             return
         try:
             exif = self.getexif()
-            x_resolution = exif[0x011A]
-            try:
-                dpi = float(x_resolution[0]) / x_resolution[1]
-            except TypeError:
-                dpi = x_resolution
+            dpi = exif[0x011A]
             if math.isnan(dpi):
                 msg = "DPI is not a number"
                 raise ValueError(msg)
             if exif.get(0x0128) == 3:  # ResolutionUnit is cm
                 # 1 dpcm = 2.54 dpi
                 dpi *= 2.54
-            self.info["dpi"] = dpi, dpi
         except (
             struct.error,  # truncated EXIF
             KeyError,  # dpi not included
             SyntaxError,  # invalid/unreadable EXIF
             TypeError,  # dpi is an invalid float
             ValueError,  # dpi is an invalid float
-            ZeroDivisionError,  # invalid dpi rational value
         ):
-            self.info["dpi"] = 72, 72
+            dpi = 72
+        self.info["dpi"] = dpi, dpi
 
     def _getmp(self) -> dict[int, Any] | None:
         return _getmp(self)