Question

$( \frac{7}{9} + \frac{3}{5} )^{ - 1}$
Please solve this question which is mixed with rational numbers and exponents. ​

Answer 1

Answer:

${ (\frac{7}{9} + \frac{3}{5} )}^{ - 1} \\ (\frac{9}{7} + \frac{5}{3}) = \frac{9 \times 3 + 5 \times 7}{21} \\ = \frac{27 + 35}{21 } = \frac{62}{21}$

♥ Hope this may help you ♥