Question

What number should be subtrated from - 3/4 so as to get 5/6

(a) - 3/10

(b) - 5/24

(c) - 19/12

(d) 9/25​

Answer 1

- 3/4 -x = 5/6

-x = 5/6 + 3/4

-x = 10/12 + 9/12

-x = 19/12

x= - 19/12

option c is correct

Answer 2

Answer:

Let the number be to be subtracted be x.

$- \frac{3}{4} - x = \frac{5}{6} \\ = x = - \frac{3}{4} - \frac{5}{6} \\ = x = \frac{ - 9 - 10}{12} \\ = x = \frac{ - 19}{12}$

Third one is the correct option