cat fac 4.2 supra 18!ajutati-ma!!!

Răspuns :

4,2/18 = 42/180

42 = 2x3x7

180 = 2x 2 x3 x3 x5

2x3x7 / 2x2x3x3x5 = 7/2x3x5 = 7/30