Question

6. What should be added to
-5/7 to get -2/3?
Full Marks : 1
(a)-29/21
(b)29/21
(c)1/21
(d)-1/21​

Answer 1

Step-by-step explanation:

Let number be x

$\frac{ - 5}{7} + x = \frac{2}{3} \\ x = \frac{5}{7} + \frac{2}{3} \\ x = \frac{15 + 14}{21} \\ x = \frac{29}{21}$

Answer 2

Answer:

let the no to be x

then ,-5/7+x=-2/3

x=-2/3+5/7

x=-14+15/21=1/21