diff --git a/exercises/operators/operators.cpp b/exercises/operators/operators.cpp
index af4deb09..163da43e 100644
--- a/exercises/operators/operators.cpp
+++ b/exercises/operators/operators.cpp
@@ -13,7 +13,7 @@ class Fraction {
     m_denom /= gcd;
   }
 
-  int m_num, m_denom;
+  unsigned int m_num, m_denom;
 };
 
 // TODO: operators
@@ -55,7 +55,7 @@ int main() {
   printAndCheck("One third times two", f, Fraction{2, 3});
 
   f *= athird;
-  printAndCheck("One third times one third", f, Fraction{2, 9});
+  printAndCheck("Two third times one third", f, Fraction{2, 9});
 
   // you might have some redundancy between the implementation of operator* and
   // operator*=. Can you refactor your code and implement operator* in terms of
diff --git a/exercises/operators/solution/operators.sol.cpp b/exercises/operators/solution/operators.sol.cpp
index eced479d..b8abd10e 100644
--- a/exercises/operators/solution/operators.sol.cpp
+++ b/exercises/operators/solution/operators.sol.cpp
@@ -46,12 +46,12 @@ class Fraction {
 
  private:
   void normalize() {
-    const int gcd = std::gcd(m_num, m_denom);
+    auto const gcd = std::gcd(m_num, m_denom);
     m_num /= gcd;
     m_denom /= gcd;
   }
 
-  int m_num, m_denom;
+  unsigned int m_num, m_denom;
 };
 
 void printAndCheck(std::string const & what, Fraction const & result, Fraction const & expected) {
@@ -90,7 +90,7 @@ int main() {
   printAndCheck("One third times two", f, Fraction{2, 3});
 
   f *= athird;
-  printAndCheck("One third times one third", f, Fraction{2, 9});
+  printAndCheck("Two third times one third", f, Fraction{2, 9});
 
   // you might have some redundancy between the implementation of operator* and
   // operator*=. Can you refactor your code and implement operator* in terms of