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
