1/1×2+1/2×3+1/3×4+1/4×5+1/5×6+1/6×7+1/7×8+1/9×10

Question

1/1×2+1/2×3+1/3×4+1/4×5+1/5×6+1/6×7+1/7×8+1/9×10

Answer 1

1/1*2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/9*10=24/7