Question

What should be added to 7by 12 to get -14 by 15​

Answer 1

Answer:

let number to be added is y

so 7/12+y=(-14/15) on taking LCM on right side we get

( 7+12y)/12=(-14/15) now cross multiplying

15(7+12y)=(-14)×12

105+180y=(-168)

108y= -168-105

y= -273/108

so the number is -91/36.

hope it helps you

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