Answer:
4 1/6
Explanation:
One of the faster ways in which we can do this problem is to change the mixed numbers 1 2/3 and 2 1/2 to improper fractions.
Then the product of 1 2/3 and 2 1/2 is 5/3·5/2, which comes out to 25/6.
25/6 in turn comes out as 4 1/6 (answer)