Respuesta :

Answer:

4   1/20

Step-by-step explanation:

Answer: 81/20 = 4 1/20

Step-by-step explanation:

The dot between the two fractions implies product.

Therefore, in solving 2 1/4 . 9/5, we first convert the improper fraction to a proper fraction:

2 1/4 = 9/4

9/4 × 9/5 = ?

First, we multiply the numerators: 9 x 9 = 81

Then the denominators: 4 x 5 = 20

=81/20 = 4 1/20