diff --git a/src/main/java/com/gdschongik/gdsc/domain/study/dto/response/StudyStudentResponse.java b/src/main/java/com/gdschongik/gdsc/domain/study/dto/response/StudyStudentResponse.java
index 39da17313..9f6ec5d2d 100644
--- a/src/main/java/com/gdschongik/gdsc/domain/study/dto/response/StudyStudentResponse.java
+++ b/src/main/java/com/gdschongik/gdsc/domain/study/dto/response/StudyStudentResponse.java
@@ -48,8 +48,12 @@ public static StudyStudentResponse of(
                 isOutstandingStudent(FIRST_ROUND_OUTSTANDING_STUDENT, studyAchievements),
                 isOutstandingStudent(SECOND_ROUND_OUTSTANDING_STUDENT, studyAchievements),
                 studyTodos,
-                (double) successAssignmentsCount * 100 / (assignments.size() - cancelledAssignmentsCount),
-                (double) (attendedCount * 100) / (attendances.size() - cancelledAttendanceCount));
+                assignments.size() != cancelledAssignmentsCount
+                        ? (double) successAssignmentsCount * 100 / (assignments.size() - cancelledAssignmentsCount)
+                        : 0,
+                attendances.size() != cancelledAttendanceCount
+                        ? (double) (attendedCount * 100) / (attendances.size() - cancelledAttendanceCount)
+                        : 0);
     }
 
     private static boolean isOutstandingStudent(