Răspuns:
Explicație pas cu pas:
3*5+3*1/4+3*17/16= 3*(5+1/4+17/16)= aducem la acelasi numitor comun
=3*(80/16+4/16+17/16)=
=3*101/16= introducem intregul in fractie
=3*16+101/16=48+101/16=149/16