What is the least multiple of 1/2+1/6

2/3. 1/2 is equal to 3/6 and 3/6 + 1/6 is 4/6 and 4/6 simplified is 2/3.

The leat common multiple is 12

multiply your denominator 2*6=12

next multiply the rest

(6*1) + (2*1) / (12)

finally solve

(6+2) / (12)

is (8/12) now we can reduce by dividing both terms by 4

(8:4) / (12:4)

gives you (2) / (3) as your answer