diff --git a/src/lib.rs b/src/lib.rs
index fff3b97..4564565 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,6 @@
 use std::{fmt, ops};
 
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy, PartialOrd, Ord)]
 pub struct Fraction {
     num: i64,
     den: i64,