diff --git a/code_study/Baekjoon/python/13241.py b/code_study/Baekjoon/python/13241.py
new file mode 100644
index 0000000..3ffa4ed
--- /dev/null
+++ b/code_study/Baekjoon/python/13241.py
@@ -0,0 +1,5 @@
+A, B = map(int, input().split())
+temp = A*B
+while B != 0 :
+    A, B = B, A%B
+print(temp//A)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/1735.py b/code_study/Baekjoon/python/1735.py
new file mode 100644
index 0000000..c73f773
--- /dev/null
+++ b/code_study/Baekjoon/python/1735.py
@@ -0,0 +1,18 @@
+def gcd(n,m) :
+    temp = [n,m]
+    n = max(temp)
+    m = min(temp)
+    if m==0 :
+        return n
+    return gcd(m,n%m)
+
+def lcm(n,m) :
+    return n*m//gcd(n,m)
+
+a,b = map(int,input().split())
+c,d = map(int,input().split())
+denom = lcm(b,d)
+num = a*(denom//b) + c*(denom//d)
+
+factor = gcd(num, denom)
+print(num//factor, denom//factor)
\ No newline at end of file
diff --git a/code_study/Baekjoon/python/1934.py b/code_study/Baekjoon/python/1934.py
new file mode 100644
index 0000000..c924a6b
--- /dev/null
+++ b/code_study/Baekjoon/python/1934.py
@@ -0,0 +1,6 @@
+for _ in range(int(input())) :
+    A, B = map(int, input().split())
+    temp = A*B
+    while B != 0 :
+        A, B = B, A%B
+    print(temp//A)
\ No newline at end of file