Multiple choice general knowledge fraction, three-fourths - ¾ Alt + 0109 Alt + 0190 Alt + 0901 Alt + 0191 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The fraction three-fourths (¾) is entered using Alt + 0190 on Windows keyboards. This completes the set of common vulgar fractions available through Alt codes. Options A (0109), C (0901), and D (0191 which is ¿) are incorrect codes.