Question

I will mark you as The brainlist ​

Answer 1

Answer:

12/13

Step-by-step explanation:

= 1/ (1/2 + 1/4 + 1/3)

= 1/ 6/12 + 3/12 + 4/12

= 1/ 13/12

= 1 x 12/13

= 12/13

I hope it is the answer needed.

Answer 2

Answer : 12/13

Step-by-step explanation:

=[(2)^(-1)+(4)^(-1)+(3)^(-1)]^(-1)

=[1/2 + 1/3 +1/4 ]^(-1)

=[(6+3+4)/12]^(-1)

=[13/12]^(-1)

=12/13