Question

Common friends 30 points quiz.........

Solve it

Brainlist points are available ​

Answer 1

Step-by-step explanation:

(-3/10+(-8/35))+1/21

((-21/70)+(-16/70))+1/21

(-37/70)+(1/21)

Lcm is 210

-111/210+10/210

=101/210

Answer 2

Answer:

=-3/10 + -8/35 + 2/42

= -63 - 48 + 10/210

= -101/210