What is the least common denominator (lcd) of 1/3 and 1/5 ?

Ineed someone to me answer my question i have to have this done and knocked out

An object in geometry with no width, length or height is a(n):

Alocal restaurant advertises that the mode cost of their most popular meals is $8. if the costs of their most popular meals are $7, $8, $8, $12, $13, $15, $17, $18, and $20, which word or phrase best describes this kind of advertising? accurate inaccurate accurate, but misleading inaccurate and misleading