Question

помогите пожалуйста!!​

Answer 1

$\displaystyle\\\frac{1}{4}=\frac{1*25}{4*25}=\frac{25}{100} \\\\\\\frac{22}{25}=\frac{22*4}{25*4}=\frac{88}{100}\\\\\\\frac{19}{20}=\frac{19*5}{20*5}=\frac{95}{100}\\\\\\\frac{4}{5}=\frac{4*20}{5*20}=\frac{80}{100}\\\\\\\frac{1}{2}=\frac{1*50}{2*50}=\frac{50}{100}$

Answer 2

Пошаговое объяснение:

$\frac{1}{4}=\frac{1*25}{4*25}=\frac{25}{100};\\\frac{22}{25}=\frac{22*4}{25*4} =\frac{88}{100};\\\frac{19}{20}=\frac{19*5}{20*5}=\frac{95}{100};\\\frac{4}{5}=\frac{4*20}{5*20}=\frac{80}{100};\\\frac{1}{2}=\frac{1*50}{2*50}=\frac{50}{100} .$