diff --git a/src/humanize/number.py b/src/humanize/number.py
index f4dcb05..5d0c862 100644
--- a/src/humanize/number.py
+++ b/src/humanize/number.py
@@ -367,7 +367,7 @@ def fractional(value: NumberOrString) -> str:
     if not whole_number:
         return f"{numerator:.0f}/{denominator:.0f}"
 
-    return f"{whole_number:.0f} {numerator:.0f}/{denominator:.0f}"
+    return f"{whole_number:.0f} {abs(numerator):.0f}/{denominator:.0f}"
 
 
 def scientific(value: NumberOrString, precision: int = 2) -> str:
diff --git a/tests/test_number.py b/tests/test_number.py
index cb74fcf..0871964 100644
--- a/tests/test_number.py
+++ b/tests/test_number.py
@@ -178,6 +178,9 @@ def test_apnumber(test_input: int | str, expected: str) -> None:
         (1.5, "1 1/2"),
         (0.3, "3/10"),
         (0.333, "333/1000"),
+        (-0.3, "-3/10"),
+        (-1.3, "-1 3/10"),
+        (-2.5, "-2 1/2"),
         (math.nan, "NaN"),
         (math.inf, "+Inf"),
         (-math.inf, "-Inf"),