Multiple choice general knowledge math & puzzles 1/4 + ? = 3/4 1/3 1/2 1/4 3/2 Reveal answer Fill a bubble to check yourself B Correct answer Explanation To solve 1/4 + x = 3/4, subtract 1/4 from both sides. x = 3/4 - 1/4 = 2/4. Simplifying the fraction 2/4 results in 1/2.