SEAMO 2027 - Paper D - SET 06 - Self-study Question 5

Evaluate $\left(\frac12+\frac13+\frac14+\cdots+\frac1{57}\right)+\left(\frac23+\frac24+\frac25+\cdots+\frac2{57}\right)+\left(\frac34+\frac35+\cdots+\frac3{57}\right)+\cdots+\left(\frac{55}{56}+\frac{55}{57}\right)+\frac{56}{57}$.