Question

how to add them. please explain me​

Answer 1

Answer: 3√8

If the no.s under square roots are same you can add them like given in your question

But you cannot add if the no.s under square roots are not same. For example:- 2√3 + √4 ( it can't be added)

Answer 2

Answer:3\/8

Step-by-step explanation:

\/8=1\/8

1\/8+2\/8=3\/8