Answer:
15/4
Step-by-step explanation:
2 1/2 x 1 1/2
First, make them both improper fractions to make them easier to multiply
5/2 x 3/2
Multiply their numerators together to get the numerator and multiply their denominators together to get the denominator.
5 x 3 = 15
2 x 2 = 4
5/2 x 3/2 = 15/4
