Question

what should be added to 1/3 + 1/5 +7/15 to get sum -1​

Answer 1

Answer:

mark me as brainless then I will answer your question

Answer 2

Answer:

let the no to be added = X

1/3+1/5+7/15+X= -1

1/3+1/5+7/15+1= -X

take LCM

5+3+7/15= -x

15/15 = 2

-X = 1

X = -1 is the ans