diff --git a/README.md b/README.md
index ecc1e53..391212a 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,6 @@
 54 + 100 = 154
 29 / 5 = 5
 37 + 70 = 107
-21 / 3 = 7
 16 - 39 = -23
 85 / 9 = 9
 23 * 15 = 345