```ruby
require 'pry'

# Clock solution
class Clock
  attr_accessor :hours, :minutes

  def initialize(hour: 0, minute: 0)
    @minutes = hour * 60 + minute
    @hours = minutes / 60
  end

  def to_s
    format('%02d:%02d', divided_hours, divided_minutes)
  end

  def divided_hours
    hours % 24
  end

  def divided_minutes
    minutes % 60
  end

  def +(additional_mins)
    all_minutes = minutes + additional_mins.minutes
    Clock.new(minute: all_minutes)
  end

  def -(neg_mins)
    all_minutes = minutes - neg_mins.minutes
    Clock.new(minute: all_minutes)
  end

  def ==(clock)
    self.to_s == clock.to_s
  end
end
```

Remove hours and add eql?
user
```ruby
# Clock solution
class Clock
  attr_accessor :hours, :minutes

  def initialize(hour: 0, minute: 0)
    @minutes = hour * 60 + minute
  end

  def to_s
    format('%02d:%02d', divided_hours, divided_minutes)
  end

  def divided_hours
    hours = minutes / 60
    hours % 24
  end

  def divided_minutes
    minutes % 60
  end

  def +(additional_mins)
    all_minutes = minutes + additional_mins.minutes
    Clock.new(minute: all_minutes)
  end

  def -(neg_mins)
    all_minutes = minutes - neg_mins.minutes
    Clock.new(minute: all_minutes)
  end

  def ==(clock)
    self.to_s == clock.to_s
  end

  alias eql? ==

end
```
assistant