Answer:
1/4
Explanation:
1/2 and 3/4 have different denominators. What we can do is change the denominator of 1/2. 1/2 equals 2/4. 1/4+2/4=3/4
I believe you mixed the question with these answers, because the word broached doesn't refer to any of these answers - first of all, it is a verb, and all of the options are nouns.
The meaning of this verb is <span>made a way into.</span>