Question

-1* 4/9=
-16/17:(-4)=

Answer 1

$- 1 times frac{4}{9} = - ( frac{1 times 4}{9} ) = - frac{4}{9}$


$- frac{16}{17} div ( - 4) = frac{16}{17} times frac{1}{4} = frac{16 times 1}{17 times 4} = frac{4 times 1}{17 times 1} = frac{4}{17}$