Question

simplify the following={(5/6)-1 - (7/5)-1 } -1 chapter= Exponent and base ​

Answer 1

$( {( \frac{5}{6} ) - 1} - (\frac{7}{5} )- 1) - 1$

$= ( \frac{5}{6} - \frac{7}{5} - 2) - 1$

$= ( \frac{25 - 42 - 60}{30} ) - 1$

$= \frac{ - 77}{30} - 1$

$= \frac{ - 77 - 30}{30}$

$= \bold {\frac{ - 107}{30} }$