diff --git a/src/addition.c b/src/addition.c
index 6afc239..fcf652b 100644
--- a/src/addition.c
+++ b/src/addition.c
@@ -51,5 +51,7 @@ unsigned int e(unsigned int a) {
 // addition of two floating numbers
 
 float addition_float(float number1, float number2) {
-    return 0.0;
+    if (number2 == (float) 0.0) return number1;
+    else if (number1 == (float) 0.0) return number2;
+    return (float) 0.0;
 }
\ No newline at end of file