2/7:5/11

To calculate the sum of 2/7 and 5/11, you need to find a common denominator and then add the fractions together.

To find a common denominator, you can multiply the denominators of the fractions to get 7 x 11 = 77.

Now, you can convert each fraction to have a denominator of 77:

2/7 = (2 x 11) / (7 x 11) = 22/77 5/11 = (5 x 7) / (11 x 7) = 35/77

Now that both fractions have the same denominator, you can add them:

22/77 + 35/77 = (22 + 35) / 77 = 57/77

The sum of 2/7 and 5/11 is 57/77.