Question

(5 8/9 : 1 17/36 +1 1/4) * 5/21

Answer 1

$(5 frac{8}{9} div 1 frac{17}{36} + 1 frac{1}{4} ) times frac{5}{21} = 1 frac{1}{4} \ ( frac{53}{9} times frac{36}{53} + frac{5}{4} ) times frac{5}{21} = 1 frac{1}{4}$