Passaggio 1: convertire in frazioni improprie #3(10)# #+# #7# #=# #37# #15(10)# #+# #4#=154 #154/15# Passaggio 2: trova lo schermo LCD #10#: #2(5)# #15#: #3(5)# #2(3)(5)##=# 30 Passaggio 3: #37##(3)##/##30# #+# #154(2)##/# 30= 419/30