I thought about using a method like that at first, but then a friend figured this method out for me...
PHP Code:
new Float:totalTime = 123.456789
new roundTime = floatround(totalTime, floatround_floor);
// If you wanted 3 digits...*1000 and %03d and so on...
new decimals = floatround(floatsub(totalTime, float(roundTime)) * 100, floatround_floor);
client_print(0, print_chat, "Decimal = %02d", decimals);
// That would print 45