Library / /27 of 475

, 2004

Number theory Difficulty 1.0 Junior Find the answer Canada

The fractions $\frac{1}{9}$ , $\frac{1}{4}$ and $\frac{1}{18}$ are to be added. What is their lowest common denominator?

(A) $648$ (B) $162$ (C) $72$ (D) $36$ (E) $18$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.