Solve and simplify:-1/3+ 4/5

To solve and simplify -1/3 + 4/5, we need to find a common denominator for both fractions. A common denominator for 3 and 5 is 15. We can now rewrite the fractions with the common denominator:

(-1/3)*(5/5) + (4/5)*(3/3)

-5/15 + 12/15

Now, we can add the fractions together:

-5/15 + 12/15 = (12-5)/15 = 7/15

So, the solution and simplified form of -1/3 + 4/5 is 7/15.