5.357 Сократите дроби: a) 6/10, b) 9/12, c) 30/60, d) 7/42, e) 12/60, f) 99/100, g) 5/1000, h) 20/1000

a) 6/10 = 3/5, b) 9/12 = 3/4, c) 30/60 = 1/2, d) 7/42 = 1/6, e) 12/60 = 1/5, f) 99/100 = 99/100 (не сокращается), g) 5/1000 = 1/200, h) 20/1000 = 1/50.