Step 1

We have to determine the Least common multiple of 12 and 28.

Here we shall use multiples method to determine least common multiple.

Steps to find LCM,

1. Write the multiples of the number.

2. Find the common multiples of the numbers

3. Find the smallest common multiple from the list.

4. The number found is L.C.M.

Step 2

Now,

\(\displaystyle{12}={12},{24},{36},{48},{60},{72},{84},{96},{108},{120},{14428}={28},{56},{84},{112},{140},{168}\)

L.C.M. \(\displaystyle={84}\)

We have to determine the Least common multiple of 12 and 28.

Here we shall use multiples method to determine least common multiple.

Steps to find LCM,

1. Write the multiples of the number.

2. Find the common multiples of the numbers

3. Find the smallest common multiple from the list.

4. The number found is L.C.M.

Step 2

Now,

\(\displaystyle{12}={12},{24},{36},{48},{60},{72},{84},{96},{108},{120},{14428}={28},{56},{84},{112},{140},{168}\)

L.C.M. \(\displaystyle={84}\)