Question

11$\frac{2}{4}$−3 $\frac{9}{15}$=?

Answer 1

11 2/4 - 3 9/15=
46/4 - 54/15=
15 * 46 - 15* 54 =
         60
1* 46 - 1 * 54 =
           4
23 - 27 =
       2
-4/2= -2
resposta -2