The expression \dfrac{2021}{2020}-\dfrac{2020}{2021} is equal to the fraction \dfrac{p}{q}, where p and q are positive integers whose greatest common divisor is 1 . What is p ?
Answer Choices
A. 1
B. 9
C. 2020
D. 2021
E. 4041
The expression \dfrac{2021}{2020}-\dfrac{2020}{2021} is equal to the fraction \dfrac{p}{q}, where p and q are positive integers whose greatest common divisor is 1 . What is p ?
Answer Choices
A. 1
B. 9
C. 2020
D. 2021
E. 4041