- 2/3+(- 3/5)

Answer 1

To find the sum of -2/3 and -3/5, we need to find a common denominator for the fractions. The least common denominator for 3 and 5 is 15.

So, we rewrite the fractions with a common denominator of 15:

-2/3 = -10/15 (multiplied numerator and denominator by 5)
-3/5 = -9/15 (multiplied numerator and denominator by 3)

Now, we can add the fractions:

-10/15 + (-9/15) = -19/15

Therefore, the sum of -2/3 and -3/5 is -19/15.