1/3:1/9. 3/8: 1/2. разделить дроби
1/3 : 1/9 = 1/3 * 9/1 = 3 3/8 : 1/2 = 3/8 * 2/1 = 3/4
1/3 : 1/9 = 3 3/8 : 1/2 = 3/4