Question

Va rog ajutatima!
39/9-5/2

Answer 1

39/9-5/2=
aducem fractiile la acelasi numitor care este 18
=(39x2-5x9)/18=
=(78-45)/18=33/18=simplificam cu 3=11/6=1,8(3)

Answer 2

$\displaystyle \frac{39}{9} - \frac{5}{2} = \frac{78}{18} - \frac{45}{18} = \frac{33}{18} = \frac{11}{6}$