alleryThe smallest common denominator of 1/6 and 1/8 is what?
A48
B14
C12
D24
Answer & Solution
Correct answer: D. 24
1. The least common denominator is the least common multiple of 6 and 8.
2. Multiples of 8 are 8, 16, 24; the first that 6 divides is 24.
3. 48 works but is not the smallest, and 14 and 12 are not multiples of 8.
_Source: Wikipedia, Fraction, section Adding unlike quantities_
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