Respuesta :

Answer:

Ok

Step-by-step explanation:

-2/7 * 5/6 = - 10 / 42

-2/7 * - 1/3 = 2/21

So the equation now :

-10 / 42 + 2/1 + 2/21 =

Let the have same denominator

- 10 / 42 + 84 / 42 + 4/ 42 =

= 78 / 42