Question

Math algebra Please help pick the best answer please​

Answer 1

`\bf \cfrac{4}{~~(1)/(4)-(5)/(2)~~}\implies \cfrac{(4)/(1)}{~~(1)/(4)-(5)/(2)~~}\implies \cfrac{(4)/(1)}{~~((1)1-(2)5)/(4)~~}\implies \cfrac{(4)/(1)}{~~(1-10)/(4)~~}\implies \cfrac{(4)/(1)}{~~(-9)/(4)~~} \\\\\\ \cfrac{4}{1}\cdot \cfrac{4}{-9}\implies \cfrac{-16}{9}`