negative 7 over 15 + 4 over 5
=???
To add fractions, we need a common denominator. In this case, the common denominator is 15:
Negative 7/15 + 4/5 = (-7/15)(5/5) + (4/5)(3/3)
= -35/75 + 12/75
= (-35 + 12)/75
= -23/75
Therefore, negative 7/15 + 4/5 is equal to -23/75.