Q. What is the least common denominator of 121 and 43 ?_____
Identify Denominators: Identify the denominators of the fractions. 121 has a denominator of 12, and 43 has a denominator of 4.
Find LCM: Find the Least Common Multiple (LCM) of the denominators.List the multiples of 12: 12,24,36,48,60,…List the multiples of 4: 4,8,12,16,20,24,…The smallest common multiple is 12.