main.sh

@@ -7,6 +7,8 @@ read num1
 
 echo "pls write second agr"
 read num2
-gcd=$(./script_GCD.sh $num1 $num2)
+gcd=$(bash ./script_GCD.sh $num1 $num2)
+LCM=$(bash ./script_LCM.sh $num1 $num2)
 
 echo "GCD for $num1 and $num2 is $gcd"
+echo "LCM for $num1 and $num2 is $LCM"

script_LCM.sh

@@ -0,0 +1,18 @@
+#!/bin/bash 
+
+if [ $# -ne 2 ]; then
+    echo "error, pls write 2 arguments"
+    exit 1
+fi
+
+a=$1
+b=$2
+
+GCD=$(bash ./script_GCD.sh $a $b | head -n1)
+ 
+if ! [[ "$GCD" =~ ^[0-9]+$ ]]; then
+    echo "Error"
+    exit 1
+fi
+
+echo $(( ($a * $b) / $GCD ))