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2021 AMC 12D Question 5

AMC12 · 2021 AMC 12D

Question 5

Call a fraction $\dfrac{a}{b},$ not necessarily in the simplest form, *special* if $a$ and $b$ are positive integers whose sum is $15.$ How many distinct integers can be written as the sum of two, not necessarily different, special fractions?
  1. $9$
  2. $10$
  3. $11$
  4. $12$
  5. $13$