Complete to find the given term of each arithmetic sequence.

1/8, 1/4, 3/8, 1/2, 5/8,...

Find the 25th term.

n=_____, a1=_____, d= _____

a25= _____+(___-1)______

=______ + _______ = ______

Please I need help and cannot figure out the common difference between the set of numbers.