Convert a decimal number to a 'hh:mm' formatted hour

DecimalToHour.sql

-- how to convert a decimal number to a 'hh:mm' formatted hour. E.g., 
-- 2.25 -> 02:15
-- 13.5 -> 13:30
-- 2.10 -> 02:06
DECLARE @Value DECIMAL(18,2) = 2.10;

SELECT RIGHT('00' + 
            CONVERT(VARCHAR, CONVERT(INT, @Value)), 2) 
        + ':' + 
        RIGHT('00' + 
            CONVERT(VARCHAR, 
                CONVERT(INT, 
                    ROUND((@Value - CONVERT(INT, @Value)) * 60, 0, 0))), 2)