Question

Find the least common denominator (LCD) for the fractions.

1/6 and 3/10


A.
2


B.
10


C.
30


D.
60

Answer 1

It is 30 because they both go cleanly into 30 and 60 but 30 is less 3*10=30 and 6*5=30

Answer 2

The lowest common denominator of 6 and 10 is 30.