Question

1(целая) 1/4 + 5/12 : (1/3 * 2(целая) 1/2 - 7/8)

Answer 1

$1 frac{1}{4} + frac{5}{12} *( frac{1}{3} *2 frac{1}{2} - frac{7}{8} )= \ \ 1) frac{1}{3} * frac{5}{2} = frac{5}{6} \ \ frac{5}{6} - frac{7}{8} = frac{20}{24} - frac{21}{24} =- frac{1}{24} \ \ 1 frac{1}{4} - frac{1}{24} = frac{5}{4} - frac{1}{24} = \ \ frac{30}{24} - frac{1}{24} = frac{29}{24} =1 frac{5}{24}$