Reciprocals of Fractions

Q. Find the sum of additive inverse and multiplicative inverse of $-3$. [2 marks]

Q. The reciprocal of $\frac{2}{7}\times \frac{1}{5}$ is _____.

1. $\frac{35}{2}$
2. $\frac{10}{3}$
3. $-\frac{35}{2}$
4. $\frac{2}{35}$

Q. Question 32
The numbers ___ and ___ are their own reciprocal.

Q. Question 71
1 is the only number which is its own reciprocal.

Q. Question 29
The reciprocal of a positive rational number is ___

Q. Name the property under multiplication used in each of the following:
(i) $\frac{2}{3}\times \frac{4}{5}=\frac{4}{5}\times \frac{2}{3}$
(ii) $\left(\frac{-3}{4}\right)\times 1=\frac{-3}{4}=1\times \left(\frac{-3}{4}\right)$
(iii) $\left(\frac{-17}{28}\right)\times \left(\frac{-28}{17}\right)=1$
(iv) $\frac{1}{5}\times (\frac{7}{8}\times \frac{4}{3})=(\frac{1}{5}\times \frac{7}{8})\times \frac{4}{3}$
(v) $\frac{2}{7}\times (\frac{9}{10}+\frac{2}{5})=\frac{2}{7}\times \frac{9}{10}+\frac{2}{7}\times \frac{2}{5}$

Q.

Find the reciprocal of $100$

Q.

What is the reciprocal of the smallest prime number?

Q. What is the reciprocal of (-2/3)?

1. 2
2. (-3/2)
3. (3/1)
4. (3/2)

Q. What is the reciprocal of (-2/3)?

1. (3/1)
2. 2
3. (-3/2)
4. (3/2)

Q.

The reciprocal of $\frac{4}{32}$ is___.