gistfile1.rb

class Money
  def evenly_divided(parts)
    extra  = cents % parts

    (0...parts).map do |i|
      add1 = i < extra ? 1 : 0
      Money.from_cents cents / parts + add1
    end
  end
end

Money.new(0.10).evenly_divided(3)
#=> [0.04, 0.03, 0.03]