Which is the least common denominator of $\frac{3}{4}, \frac{7}{9}$ and $\frac{11}{12}$ ?
A) 18
B) 24
C) 36
D) 48

Question

Quizplus · Accepted Answer

The prime factorization of the denominators are $4 = 2^2$, $9 = 3^2$, and $12 = 2^2 \cdot 3$. The least common multiple of the denominators is therefore $2^2 \cdot 3^2 = 36$. Since all of the fractions already have denominators that are factors of 36, the least common denominator is also 36.

Which Is the Least Common Denominator Of 34,79\frac{3}{4}, \frac{7}{9}43​,97​ And 1112\frac{11}{12}1211​ ? A) 18 B) 24 C) 36 D) 48

Which Is the Least Common Denominator Of $\frac{3}{4}, \frac{7}{9}$ And $\frac{11}{12}$ ?
A) 18
B) 24
C) 36
D) 48