Question

how to cross multiply [1/3+1/4+1/5 ] ??

Answer 1

U dont have to cross multiply u have to add all the 3 given values with each other
U can do it like this
1/3+1/4+1/5
By taking L.C.M of 5,4 and 3 we get
20+15+12/60=47/60

Answer 2

hope it help you..... :)