Respuesta :

Answer: 1  17/28

Step-by-step explanation:

2 1/4 ÷ 1 2/5

=9/4 ÷ 7/5

= 9/4 × 5/7

= 9 x 5 = 45  

  4 x 7 = 28

= 45/28

ANSWER : 1  17/28