Find the sum of some numbers taken as command line arguments

Find the sum of some numbers taken as command line arguments

Shell Script:

clear
n=$#
sum=0
for((i=1;i<=$n;i++))
do
sum=`expr $sum + $1`
shift 1
done
echo The sum is $sum

OUTPUT

[csma@localhost ~]$ sh add.sh 1 2 3 4
The sum is 10