diff --git a/src/minirechner.c b/src/minirechner.c
index 37fa823..6a133f3 100644
--- a/src/minirechner.c
+++ b/src/minirechner.c
@@ -14,4 +14,15 @@ float subtrahieren(float a, float b) {
 //multiplizieren
 float multiplizieren(float a, float b) {
     return a * b;
+}
+
+//dividieren
+float dividieren(float a, float b) {
+    if (b == 0) {
+        printf("Bitte nicht durch 0 dividieren\n");
+        return 0;
+    }
+    else {
+        return a / b;
+    }
 }
\ No newline at end of file
diff --git a/src/minirechner.h b/src/minirechner.h
index 569a7b7..8c4466f 100644
--- a/src/minirechner.h
+++ b/src/minirechner.h
@@ -4,5 +4,6 @@
 float addieren(float a, float b);
 float subtrahieren(float a, float b);
 float multiplizieren(float a, float b);
+float dividieren(float a, float b);
 
 #endif // MINIRECHNER_H
diff --git a/test/test_minirechner.c b/test/test_minirechner.c
index a3cf7b2..008e592 100644
--- a/test/test_minirechner.c
+++ b/test/test_minirechner.c
@@ -81,4 +81,11 @@ void test_minitaschenrechner_0_mal_5(void)
     TEST_ASSERT_EQUAL(0, result);
 }
 
+// test dividieren
+void test_minitaschenrechner_9_durch_3(void)
+{
+    float result = dividieren(9, 3);
+    TEST_ASSERT_EQUAL(3, result);
+}
+
 #endif // TEST