Дроби к наименьшему общему знаменатилю: 3/5 и 2/3, 3/2 и 7/5,5/4 и 4/3

3/5 = 3×3/5×3 = 9/15
2/3 = 2×5/3×5 = 10/15

3/2 = 3×5/2×5 = 15/10
7/5 = 7×2/5×2 = 14/10

5/4 = 5×3/4×3 =15/12
4/3 = 4×4/3×4 = 16/12