Question

$frac{1}{13} *(2 frac{3}{8} -1 frac{5}{6} )*2 frac{2}{5} + frac{9}{10}$

Answer 1

$1)2 frac{3}{8} -1 frac{5}{6} =2 frac{9}{24} -1 frac{20}{24} = frac{13}{24} \ 2) frac{1}{13} * frac{13}{24} = frac{1}{24} \ 3) frac{1}{24} *2 frac{2}{5} = frac{1}{24} * frac{12}{5} = frac{1}{10} \ 4) frac{1}{10} + frac{9}{10} = frac{10}{10} =1$