Fill in the blanks :

(i) $\dfrac{2}{3} = ……………$

(ii) $\dfrac{11}{30} = ……………$

(iii) $\dfrac{13}{11} = ……………$

(iv) $\dfrac{23}{55} = ……………$

The additive inverse of $\dfrac{5}{9}$ is

1. $\dfrac{9}{5}$

2. $-\dfrac{5}{9}$

3. $\dfrac{-5}{-9}$

4. $-\dfrac{9}{5}$

What should be added to $\dfrac{-3}{16}$ to get $\dfrac{5}{8}$ ?

1. $\dfrac{2}{8}$

2. $-\dfrac{1}{2}$

3. $\dfrac{3}{8}$

4. $\dfrac{13}{16}$

The multiplicative inverse of $\dfrac{-3}{7}$ is

1. $\dfrac{-7}{3}$

2. $\dfrac{3}{7}$

3. $\dfrac{4}{7}$

4. $\dfrac{7}{3}$