Question

1 1 1 1 1 What is the explicit formula for the sequence 1/2'1/3' 1/4 1/5 1/6

Answer 1

$\frac{1}{2},\frac{1}{3},\frac{1}{4},\frac{1}{5},\frac{1}{6}$$a_n=\frac{1}{n}$

because the numerator is always 1. and the denominator increases by 1 each time.