diff --git a/README.md b/README.md
index 3adbb45..600ee0e 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 47 / 8 = 5
 25 / 3 = 8
 95 / 9 = 10
+68 - 96 = -28