# Question #70600

Jan 25, 2018

12

#### Explanation:

The LCM he needs to use is the LCM of the two denominators.

In this case, they are $4$ and $6$.

4 is $2 \times 2$

6 is $2 \times 3$

In order for the LCM to be divisible by BOTH numbers, we need at least two 2s and one 3.

Therefore, our LCM is $2 \times 2 \times 3 = 12$