Question

please help me with maths and and answer in detail if possible​

Answer 1

Answer:

1. The product of a rational number with its reciprocal is 1.

2.

$\frac{2}{3} + \frac{3}{2} = \frac{4 + 9}{6} \\ = \frac{13}{6}$

3.

$- \frac{6}{5} \times \frac{9}{11} = - \frac{54}{55}$