diff --git a/README.md b/README.md
index ea66d48..b2347b1 100644
--- a/README.md
+++ b/README.md
@@ -40,3 +40,4 @@
 17 / 4 = 4
 62 + 7 = 69
 22 + 23 = 45
+48 - 42 = 6