Question

(2/3 - 2,7 - 7/15 : 1/3) : 1/25 * (3/4 - 1/6)

Answer 1

(20/30-81/30-7/15*3/1):1/25*(9/12-2/12)= (-61/30*7/5):1/25*7/12=-427/150:1/25*7/12=-427/150*25/1*7/12=-427/6*7/12=-2989/72=-41 37/72