Question

what should be substracted from-2/3 to get 3/4

Answer 1

Answer:

$- \frac{2}{3} - x = \frac{3}{4}$

$x = - \frac{2}{3} - \frac{3}{4}$

$x = \frac{ - 8 - 9}{12}$

$x = \frac{ - 17}{12}$

Answer 2

Answer:

$- \frac{2}{3} - x = \frac{3}{4} \\ - x \: = \frac{3}{4} + \frac{2}{3 } \\ = \frac{9 + 8}{12} \\ = \frac{17}{12 } \\ x = - \frac{17}{12}$