Question

The sum of 1/6,2/3, and 1/4is A. 13/12, or 1 1/12. B. 11/12. C. 2/72, or 1/36. D. 4/12, or 1/3.

Answer 1

Since 6. 3, and 4 are all factors of 12 (with a bit of guess and check), we get 2/12 (since 6*2=12 and 1*2=2)+8/12+3/12=13/12 - A