diff --git a/maths/interquartile_range.py b/maths/interquartile_range.py
index 1d77c75b2..d4d72e73e 100644
--- a/maths/interquartile_range.py
+++ b/maths/interquartile_range.py
@@ -27,7 +27,7 @@ def find_median(nums: list[int | float]) -> float:
     div, mod = divmod(len(nums), 2)
     if mod:
         return nums[div]
-    return float((nums[div] + nums[(div) - 1]) / 2)
+    return (nums[div] + nums[(div) - 1]) / 2
 
 
 def interquartile_range(nums: list[int | float]) -> float: