Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

Difference between revisions of "1981 AHSME Problems/Problem 3"

(→‎Problem 3)
(No difference)

Revision as of 10:59, 21 November 2018

Solution

The least common multiple of $\frac{1}{x}$, $\frac{1}{2x}$, and $\frac{1}{3x}$ is $\frac{1}{6x}$.

$\frac{1}{x}$=$\frac{6}{6x}$, $\frac{1}{2x}$=$\frac{3}{6x}$, $\frac{1}{3x}$=$\frac{2}{6x}$.

$\frac{6}{6x}$+$\frac{3}{6x}$+$\frac{2}{6x}$=$\frac{11}{6x}$

The answer is (D) $\frac{11}{6x}$.

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=1981_AHSME_Problems/Problem_3&oldid=98717"