19/5-19/8=

To solve this, we need to find a common denominator for 5 and 8. The smallest common multiple of 5 and 8 is 40.

So, we can rewrite the equation as:

(19/5) * 8/8 - (19/8) * 5/5

= (152/40) - (95/40)

= 57/40

Therefore, 19/5 - 19/8 = 57/40.