The band will release 'Love Is Easy' as the lead cut from their upcoming greatest hits collection Memory Lane: The Best of McFly.
The accompanying artwork - revealed exclusively on Digital Spy - sees the four-piece dressed in tweed suits and holding a chalkboard displaying the supposed algebraic equation for love.
'Love Is Easy' will be available to download in the UK from November 18, while Memory Lane: The Best of McFly follows on November 26.
The collection will feature new cuts 'Do Watcha' and 'Cherry Cola' alongside popular hits 'Five Colours in Her Hair', 'Transylvania' and 'Shine a Light'.
McFly have released five studio albums and achieved 17 Top 10 singles in the UK during their career. Seven of those hits reached number one on the UK singles chart.
Watch McFly perform 'Love Is Easy' at The Roxy in Los Angeles below: