Question

4целых3/4:1/4-2целых3/14*7целых

Answer 1

$4 frac{3}{4} : frac{1}{4} - 2 frac{3}{14} *7 = frac{19}{4} * frac{4}{1} - frac{31}{14} *7 = 19- frac{31}{2} = 19-15,5 = 3,5$