Answer: 81/20 = 4 1/20
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