Practice problem
Evaluate the sum 12+16+112+⋯+1420\frac{1}{2}+\frac{1}{6}+\frac{1}{12}+\cdots+\frac{1}{420}21+61+121+⋯+4201 as a fraction in simplest form.
2021\frac{20}{21}2120
2122\frac{21}{22}2221
2223\frac{22}{23}2322
2324\frac{23}{24}2423
Type a concept, like “slope” or “photosynthesis”.
