K:
1/2 and 3/4 are NOT equivalent.
If you divide 1 by 2, the result is 0.5
If you divide 3 by 4, the result is 0.75
Therefore, they are NOT equivalent
1/2 and 2/4 are equivalent:
If you divide 1 by 2, the result is 0.5
If you divide 2 by 4, the result is also 0.5
Now, you can answer the question.