Question

what should be added to 7/12 to get - 4/15​

Answer 1

Answer:

-51/60

Step-by-step explanation:

7/12 + 4/15 = 35/60 + 16/60 = 51/60

35/60 - 51/60= -16/60

the unknown number that was added is -51/60

Answer 2

Step-by-step explanation:

let 7/12+x= -4/15

7/12+4/12= -x

(7+4)/12 = -x

11/12= -x

x= -11/12