Answer :
Well there's no shortcut in life
but arrange the rational no. in ascending order and take out the LCM of denominators
BUT if all the nos. are odd then there's no need to takeout the LCM,the greatest no. in the denominator will be the LCM
but arrange the rational no. in ascending order and take out the LCM of denominators
BUT if all the nos. are odd then there's no need to takeout the LCM,the greatest no. in the denominator will be the LCM