Question

what number should be added to-7/19 to get -5/6​

Answer 1

Answer:

Step-by-step explanation:

Let the number be x

x+(-7/19)=-5/6

x=-5/6+7/19. (Have to take LCM)

x=-95/114+42/114

x=-53/114

If u want to simplify it u can..

Answer 2

let the number to be added be x.

$x + \frac{-7}{19} = \frac{-5}{6}$   ==>  $x = \frac{-5}{6} - (\frac{-7}{19} )$   => $x = \frac{-5}{6} + \frac{-7}{19}$

lcm of 6 and 19 is 114.

$x = \frac{-5*19}{6*19} + \frac{-7*6}{19*6}$  ==> $x = \frac{-95}{114} + \frac{-42}{114}$ ==> $x = \frac{-95-42}{114} = \frac{-137}{114}$

-137/114 must be added to get -5/6.

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