How to convert decimal into time

2010-02-28
2013-06-03
  • Ammar Mahmoudi
    Ammar Mahmoudi
    2010-02-28

    I create a report  that gives me in the subtotal in decimal, how can I convert il into time format
    Exemple: decimal 5.50 into  5:30 (the semi colons are important to be shown.

    Thanks to everyone