diff --git a/README.md b/README.md
index d450baf..1753f31 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,6 @@
 7 + 48 = 55
 10 * 93 = 930
 44 * 12 = 528
-28 - 98 = -70
 15 - 59 = -44
 15 * 52 = 780
 72 * 10 = 720