A unit fraction is a fraction whose numerator is 1 and whose denominator is a positive integer. What is the largest rational number that can be written as the sum of 3 different unit fractions?
A.
\(\frac{25}{12}\)
B.
\(\frac{11}{6}\)
C.
\(\frac{7}{6}\)
D.
3
Exam No：2018 First Round Grades 10-12 Year：2018 Question No：6
Answer:
B
Knowledge points:
G10-12 - Number Theory - GCF & LCM (Algebraic & Advanced Reasoning)
Solution:
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