В) 7/24и13/20

To find the sum of the fractions 7/24 and 13/20, you need to find a common denominator and add the numerators.

First, find the least common multiple (LCM) of 24 and 20. The LCM of 24 and 20 is 120.

Next, convert both fractions to have a denominator of 120: 7/24 = (7/24) * (5/5) = 35/120 13/20 = (13/20) * (6/6) = 78/120

Now, add the numerators together: 35/120 + 78/120 = (35 + 78)/120 = 113/120

Therefore, the sum of 7/24 and 13/20 is 113/120.