Find the rate of A/B and complete the equivalent ratio 69/ (blank)

Using d, e, and f as values on a triangle and d being 60 degrees, what is the value of e and f if d is 60 degrees? also, what do you notice about the values of e and f?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

If you could answer these your a life saver