Б) 4/9и 1/6

To add the fractions 4/9 and 1/6, you need to find a common denominator.

The least common multiple of 9 and 6 is 18.

To convert 4/9 to have a denominator of 18, you need to multiply both the numerator and the denominator by 2: (4/9) * (2/2) = 8/18.

To convert 1/6 to have a denominator of 18, you need to multiply both the numerator and the denominator by 3: (1/6) * (3/3) = 3/18.

Now that both fractions have a common denominator of 18, you can add them: 8/18 + 3/18 = 11/18.

So, the sum of 4/9 and 1/6 is 11/18.