Add 13/15+(−4/15)

13/15 + (-4/15) = (13 - 4)/15 = 9/15

To add 13/15 and -4/15, follow these steps:

Step 1: Find a common denominator for both fractions. In this case, the denominator is already the same, which is 15.

Step 2: Add the numerators of the fractions: 13 + (-4) = 9.

Step 3: Keep the denominator the same: 15.

So, the sum of 13/15 and -4/15 is 9/15.