Question

2.What should be added to 7/12 to get -4/15 *

1 point

(a) 17/20

(b)-17/20

(c) 7/20

(d) -7/20​

Answer 1

Let the number be x

$\frac{7}{12} + x = \frac{ - 4}{5} \\ x= - \frac{4}{5} - \frac{7}{12} \\ x = \frac{ - 48 - 35}{60} \\ x = \frac{ - 83}{60}$