Elementary Brain Teaser - September 25, 2023
A unit fraction is a fraction in the form of 1/n where n is a positive integer and the numerator is one. The difference between two unit fractions is 1/72. In other words, 1/a - 1/b = 1/72 where a and b are different numbers. If 1/b is less than 1/a, find the value of a.
Immediately after your correct answer is submitted, your name will be posted here.
Looking for a hint to this week’s problem? Check us out on Instagram @themathcontest
NOTE: Anyone can answer Elementary Brain Teaser questions, but only participants 15 years of age or younger will be awarded points and displayed in the rankings.