Question

What number should be subtracted from
7/-8
to get
-13/12
?
​

Answer 1

Answer:

5/8 should be subtracted

$\frac{ - 7}{8} - x = \frac{ - 13}{12 }$

$- x = \frac{ - 13}{12} + \frac{7}{8} \\ - x = \frac{ - 26 + 21 }{24} \\ - x = \frac{ - 5}{24} \\ x = \frac{5}{24}$