Add 13/15+(−4/15)
9/15
1/15
9/10
−1/15
The answer is 9/15.
To add the fractions 13/15 and -4/15, we need to have the same denominator. In this case, both fractions already have a denominator of 15.
Now, we can add the numerators:
13/15 + (-4/15) = 13 - 4 / 15 = 9/15.
So, the answer is 9/15.