Question

Find the missing value: $\frac{-4}{7}+\frac{-7}{11}=\frac{-7}{11}+.....$

• A. $\frac{-4}{7}$
• B. $\frac{-7}{4}$
• C. $\frac{-7}{11}$
• D. $\frac{7}{11}$

Answer 1

The correct option is A $\frac{-4}{7}$

Addition is commutative for rational numbers. i.e. $a+b=b+a.$
$\therefore \frac{-4}{7}+\frac{-7}{11}=\frac{-7}{11}+\frac{-4}{7}$