Can you show me examples of common denominator?

Find the LCM of the denominators.

Example 1: 1/4 + 2/3

The LCM of 3 and 4 is 12, so the common denominator is 12. Convert each fraction to 12ths and add.

Example 2: 1/8 + 5/6

The LCM of 6 and 8 is 24, so the common denominator is 24. Convert each fraction to 24ths and add.