simplest form
(-2/9)-(-9/5)
To subtract these fractions, you need to find a common denominator.
The least common multiple of 9 and 5 is 45.
Converting the fractions to have a common denominator: (-2/9) becomes (-10/45) and (-9/5) becomes (-81/45).
Now, you can subtract the fractions: (-10/45) - (-81/45) = (-10 + 81)/45 = 71/45.
Therefore, the simplest form of the expression (-2/9) - (-9/5) is 71/45.