Question

Помогите решить ..
2  1/52 * 26/49 -  1  11/21:2  2/9

Answer 1

$2 frac{1}{52}* frac{26}{49} -1 frac{11}{21}:2 frac{2}{9}= frac{105}{52}* frac{26}{49}- frac{32}{21}* frac{9}{20}= frac{15}{14} - frac{24}{35} = frac{75-48}{70} = frac{27}{70}$