Respuesta :

= 7 2/5 - 1 4/5

= 37/5 - 9/5

= 28/5

In short, Your Answer would be: 28/5 or 5 3/5

Hope this helps!
7 and 2/5 is equal to (7*5 + 2)/5 which equals 37/5.

1 and 4/5 is equal to (1*5 + 4)/5 which equals 9/5

37/5 - 9/5 = 28/5 or 5 and 3/5