General Meanings:

Worries You think about an addition, you will have to struggle and to cope with difficult situations. These will emerge soon threateningly noticeably in your business or at work.

Traditional Meanings:

European (Judeo-Christian)

• Long life if add together numbers – this dream announces that you will reach great age;
• Enemies if find a mistake in an addition –  You will overcome enemies, because you recognize their intentions, before they implement these into action;
• Safe from worries if add with a calculator – In the dream you use a calculator, this announces that a powerful ally will retain you from big distress;
• Bad luck if can not see the numbers -In the dream you can not read the numbers, this means reckless speculation will bring bad luck.

* Please, see meaning of arithmetic, numbers.