Respuesta :

for that answer i got 3 -2/120 but I'm not sure about it
first convert the mixed numbers to improper fractions 

= (3/2 * 15/4) - (13/5 * 3/2)

=  45/8 - 39/10

=  225/40 -  156/40

=   69/40

= 1 29/40 Answer