diff --git "a/seungjae-choi/pg_\353\266\204\354\210\230\354\235\230\342\200\205\353\215\247\354\205\210.kt" "b/seungjae-choi/pg_\353\266\204\354\210\230\354\235\230\342\200\205\353\215\247\354\205\210.kt"
new file mode 100644
index 0000000..ce770f5
--- /dev/null
+++ "b/seungjae-choi/pg_\353\266\204\354\210\230\354\235\230\342\200\205\353\215\247\354\205\210.kt"
@@ -0,0 +1,9 @@
+class Solution {
+    fun solution(numer1: Int, denom1: Int, numer2: Int, denom2: Int): IntArray {
+        var finalDenom = denom1 * denom2
+        var finalNumer = numer1 * denom2 + numer2 * denom1
+        val finalGcd = gcd(finalNumer, finalDenom)
+        return intArrayOf(finalNumer/finalGcd, finalDenom/finalGcd)
+    }
+    private fun gcd(a: Int, b:Int): Int = if (b != 0) gcd(b, a % b) else a
+}
\ No newline at end of file