LCM of Numerators as per given numbers 1/ 3 and 2/ 5 is
LCM of Numerators i.e. for 1, 2 is 2
HCF of Denominators as per the given numbers
HCF of denominators i.e. for 3, 5 is 1
Thus, LCM of Fractions is 2/1 i.e. 2
Finally, LCM of Fractions for 1/ 3 and 2/ 5 is 2.