How do you solve - 2/3 + 3/5

Step-by-step explanation: get a common Denominator of 15

You need to make the denominators the same.

Step-by-step explanation:

-2/3 + 3/5 has a common denominator of 15 if you multiply the denominators together, but you must multiply the upper half too.

-2/3 + 3/5 =

-10/15 + 9/15

( = 9/15 - 10/15)

= - 1/15