Evaluate or analyze sequence according to their explicit or recursive formula.

Problem

space, a, start subscript, n, end subscript, equals, start fraction, n, minus, 1, divided by, n, end fraction, space
a, start subscript, 5, end subscript, minus, a, start subscript, 6, end subscript, equals
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4