Which statement correctly describes how the product compares to one of its factors?
a. 1/2​×2/3 is equal to 2/3​.
b. 1/2​×2/3 is greater than 2/3​.
c. 1/2​×2/3​ is less than 2/3​.
d. 1/2​×2/3​ is equal to 1/3​.