Question

Ans to be a brainliest!​

Answer 1

ANSWER:

-27/91

Step-by-step explanation:

a+(-b)

a=-15/13 b=6/-7

-15/13+ -(6/-7)

-15/13+6/7

denominator should be same...

so LCM of 13&7 is 91

so we have to multiply by 7 into 13 & -15 and multiply by 13 into 7 & 6

-105+78/91

= -27/91

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