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2021 AMC Fall 10B Problem 3

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2021 AMC Fall 10B Problem 3AMC 10 Step by Step
Name:                             Date: September 13, 2026
Algebraic Manipulation · difficulty 1 of 5 · about 2 min · position P1-10

The expression 20212020−20202021\frac{2021}{2020} - \frac{2020}{2021} is equal to the fraction pq\frac{p}{q} in which pp and qq are positive integers whose greatest common divisor is 1{ }1 . What is p?p?

  1. A)

    11

  2. B)

    99

  3. C)

    20202020

  4. D)

    20212021

  5. E)

    40414041

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