Question

3 1/4:(7/8-2/3)-2*1 1/4

Answer 1

$3frac{1}{4}:(frac{7}{8}-frac{2}{3})-2*1frac{1}{4}=frac{13}{4}:(frac{21}{24}-frac{16}{24})-2*frac{5}{4}=frac{13}{4}:frac{5}{24}-frac{5}{2}=frac{13}{4}*frac{24}{5}-frac{5}{2}=frac{78}{5}-frac{5}{2}=frac{156-25}{10}=frac{131}{10}=13,1$