Question

check it.....................

Answer 1

Answer:

Question no 2: -4/63

Step-by-step explanation:

(-2/3) + (5/7) + (-1/9)

tale LCM of 3,7,9 which is equal to 63

{-42+45+(-7)}/63

-42-7=-49 bcz - -= +

(-49+45)/63

-4/63 as [ - + = - and greater numbers sign is their]