SASMO 2021 Grade 9 Question 1

Platform scoring: initial 0; Q1–15: 2 points each; Q16–25: 4 points each; wrong/blank: 0; maximum 70. Official reference rules: initial 15; Section A correct +2, wrong −1, blank 0; Section B correct +4, wrong/blank 0; maximum 85.

Calculate $\dfrac{2020+2019\times2021}{2020\times2021-1}+\dfrac{2021+2020\times2022}{2021\times2022-1}$.