Saturn and Jupiter take 9 hours 56 minutes and 10 hours 40minutes, respectively for one spin on their axes. The ratio of the time taken by Saturn and Jupiter in lowest form is ______.
As 1 hour = 60mins
Time taken by saturn = (9x60) + 56 mins = 596 mins
Time taken by jupiter = (10x60) + 40 = 640 mins
Ratio = 
45