Respuesta :

the answer would be -33/28

explanation :

-3/7 + (-3/4)

FIND THE LEAST COMMON DENOMINATOR ( 28 )

-3(4) -3(7)
—— + ——
7(4) 4(7)

SIMPLIFY

-12/28 + -21/28

SOLVE

-33/28


hope this helped :)