Question

1 intreg si 8/9 + 3 intregi si 4/15 =

-7/16 + 5/24 =

11/12 : 1 intreg si 7/15 =

12/35 x (-5/6) =

Answer 1

1int.8/9+3int.4/15=17/9+49/15=85/45+147/45=232/45
-7/16+5/24=-21/48+10/48=-11/48
11/12:1 int.7/15=11/12:22/15==11/12x15/22=15/24
12/35x(-5/6)=-2/7

Answer 2

$\frac{12}{35}$×$(-\frac{5}{6}$)=$-\frac{60}{210}$=$- \frac{2}{7}$
*am simplificat rezultatul cu 30