Respuesta :

Find common denominators. What you do to the denominator, you do to the numerator.

(2/5)(7/7) = 14/35

(3/7)(5/5) = 15/35

14/35 - 15/35 = -1/35

If you meant to put addition, then your answer will be D) 29/35.

14/35 + 15/35 = 29/35

~

The correct answer is D. 29/35 because you keep, change, flip

3/7 +2/5 =?

=  (3*5)+(2*7) times 7*5

= 29/35

Hope this helps!! :) Mark me brainliest :)