"Arithmetic" is a single by Brooke Fraser released in 2004.

The song is the first track of Fraser's debut album What to Do with Daylight.

The song was later included on the Sony BMG compilation More Nature, a collection of songs from the New Zealand Sony BMG catalogue.

[1] The film clip for "Arithmetic" features Fraser in a dimly lit studio surrounded by fairy lights and with fairy lights all over her piano.

As the song only features piano and a string quartet, the quartet is also visible in another part of the studio with their music stands also lit by fairy lights.