I need help and I am struggling with this question. Please help

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

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need