Question

What is the least common denominator for adding the fractions 4/15, 1/12, and 3/8

Answer 1

120 the numbers go evenly into 120. 

Answer 2

The lcd of the 3 values is 120

Then, convert the values to fractions with a base of 120:

32/120+10/120+15/120

32/120+25/120

57/120 
19/40 is the final answer