Question

(1 / 6 + 1 / 10 + 1 / 15) / (3 / 5 – 1 / 3 – 1 / 4)

Answer 1

(1/6+1/10+1/15)/(3/5-1/3-1/4)
(5+3+2/30)/(24-13-10/40)
(10/30)/(1/40)
40/3